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9 Amazing Loaded Lucky Charms Cornflakes Sugar Cookies

Oh my goodness, if you’re looking for a cookie that tastes exactly like winning the cereal aisle lottery, you absolutely have to try these! We’re getting completely nostalgic today, but with a serious texture upgrade. Forget plain sugar cookies; these **Loaded Lucky Charms Cornflakes Sugar Cookies** give you that wonderful, crunchy chewiness you didn’t even know you were missing. I swear, the minute these come out of the oven, the whole house smells like pure, silly happiness.

Trust me, these are some of the easiest cookies I’ve ever whipped up. They are fast, they don’t require chilling the dough—thank goodness!—and the combination of sweet, airy marshmallows with salty, crisp cornflakes tucked into a soft sugar cookie base is just genius. I love making a batch when I need a quick mood boost because they are just so unexpectedly fun to eat!

Why You Will Love These Loaded Lucky Charms Cornflakes Sugar Cookies

Honestly, these cookies win every time because they hit all the right spots without any fuss. They are just ridiculously fun to make, and frankly, even more fun to eat. You’re getting the best of three worlds here in one bite!

  • They come together incredibly fast—you can go from pantry to oven in under 20 minutes of actual mixing time!
  • The texture is out of this world: a soft, chewy sugar cookie hugging perfectly crisp cornflakes.
  • Hello, nostalgia! Who doesn’t grin when they see those iconic, colorful Lucky Charms marshmallows?
  • No chilling required! This dough is ready to roll the second you finish stirring everything together.
  • They have that perfect sweet-and-salty balance that makes you go back for just one more.
  • You can use them as a base to try out your own favorite cereals sometimes, too! If you want to try a simpler version first, check out my guide on soft and tender sugar cookies.

Essential Ingredients for Loaded Lucky Charms Cornflakes Sugar Cookies

Okay, let’s talk about what goes into these treats. Because these cookies rely on mixing a crunchy texture into a classic base, the ingredient preparation is just as important as the ingredients themselves! Don’t go swapping things willy-nilly here, especially not the cornflakes—they are doing a lot of heavy lifting for us!

You’ll need to make sure your butter is properly softened, not melted! That creaming step won’t work right if the butter is too hard or too greasy. If you’re ever in a jam and realize you need to make some homemade heavy cream for another recipe, you can sneak a peek at how to make heavy cream at home, but for baking cookies, soft butter is key!

  • 1 cup unsalted butter, softened—and I mean truly soft!
  • 1 cup granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 2 3/4 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 cup cornflakes cereal—no need to crush them much, they can add great chunks!
  • 1 cup Lucky Charms cereal (This is where you need to be careful and pull out *all* the marshmallows first!)
  • 1/2 cup Lucky Charms marshmallows (These are the precious ones that get saved for the end, so keep them safe!)

Tips for Perfect Loaded Lucky Charms Cornflakes Sugar Cookies

When you are mixing crunchy things into a soft cookie dough, you just have to be a little smarter than usual. I learned this the hard way when I first tried making a cereal cookie years ago and ended up with a pile of crumbs! But don’t worry your apron over it, I’ve got the three big secrets to make sure your cookies come out soft, chewy, and perfectly loaded.

Don’t Overmix Once the Flakes Go In

This is rule number one for any cookie that has bulky additions, whether it’s cereal or nuts. Once you fold in those cornflakes and the bulk of the Lucky Charms pieces, you need to stop mixing almost immediately. Mixing a lot develops the gluten in the flour, which leads to tough, dense cookies.

You want that soft sugar cookie texture, so just fold gently until you don’t see streaks of dry flour left. If you overmix, those cornflakes get pulverized and you lose that fantastic crunch! If you are looking for tips on making cookies that stay soft even when baked longer, I wrote about some tricks for soft-baked M&M cookies that apply here, too.

Underbake Just A Tad for Maximum Chew

The note I included is crucial here: these are not the kind of cookies that should be baked until uniformly golden brown all over. If you wait until the edges look totally done, the center is likely going to be firm by the time they cool down—and nobody wants a hard cereal cookie!

Pull them out right around the 9-minute mark. The edges should be just starting to set and look barely golden. The middle will still look a little pale and soft to the touch. That residual heat on the baking sheet does the rest of the work as they rest, guaranteeing you that beautiful, chewy center when they are finally ready to eat.

Three chewy Loaded Lucky Charms Cornflakes Sugar Cookies topped with colorful marshmallows on a white plate.

Marshmallow Placement is Everything

We separate those marshmallows for a reason! If you mix them all into the dough, they melt totally during baking and leave these sad, sticky little holes where the colorful fun should be.

The trick is to press the reserved marshmallows onto the cookies immediately after they come *out* of the oven. The residual heat softens them perfectly so they stick to the top but don’t melt right into the dough. They’ll look shiny and perfect once they cool down on the counter.

No Need to Chill the Dough

Because we are loading this dough up with structural additions like cornflakes—which don’t really spread much once hot—you actually don’t need to chill this dough at all! That’s fantastic news when you need a quick fix. The butter is creamed properly, and the flour ratio holds everything together. Just scoop and bake!

Step-by-Step Instructions for Loaded Lucky Charms Cornflakes Sugar Cookies

Okay, let’s get baking! I tried to keep these instructions as streamlined as possible because these are meant to be quick fun cookies. Follow these steps exactly, especially around the baking and marshmallow application, and you are going to end up with perfect, chewy, colorful cookies every single time. It’s just a few simple stages, and you’re done!

  1. First things first, get that oven ready! Preheat your oven to 350 degrees Fahrenheit. Remember, we don’t want these cookies spreading too thin, so getting the temperature right is key. Line your baking sheets with parchment paper—it saves so much cleanup later, trust me!
  2. Now for the base mix. In your biggest bowl, cream together that softened butter and the granulated sugar until the mixture is genuinely light and fluffy. This is where you build the air structure for your cookie, so take a minute here.
  3. Next, beat in that one large egg and the vanilla extract until everything looks well married together. Don’t rush this part; you want a nice, smooth liquid base.
  4. Time for the flour mixture. In a separate, smaller bowl, whisk together your flour, baking powder, and that salt. Gradually add these dry ingredients into your wet mixture. Mix it up slowly until it’s *just* combined. I mean it, stop mixing as soon as the streaks disappear!
  5. Here comes the fun texture part! Gently fold in the cornflakes cereal and all those non-marshmallow pieces of the Lucky Charms cereal. You are folding, not stirring violently, to keep that glorious crunch intact.
  6. Time to scoop! Drop rounded tablespoons of dough onto those prepared baking sheets. Make sure you space them nicely—about 2 inches apart—because even with the cereal, they’ll puff up a bit.
  7. Bake for about 9 to 11 minutes. Remember what I said earlier? Pull them when the edges are just lightly golden. If you want that super-soft center, aim closer to 9 minutes.
  8. This is the moment of magic! As soon as they come out of the oven, while they are still piping hot right on the pan, immediately press a few of those reserved Lucky Charms marshmallows onto the top of each warm cookie. This heat melts them just enough to stick beautifully. If you need inspiration for other fun toppings, check out how I do it on my coconut lemon curd thumbprint cookies!
  9. Let those gorgeous cookies rest on the baking sheet for a solid 5 minutes. This allows the structure to firm up a bit. Then, carefully transfer them over to a wire rack to cool completely before you try to eat them all immediately.

Ingredient Notes and Substitutions for Loaded Lucky Charms Cornflakes Sugar Cookies

So, with something as fun as cereal cookies, you might think you can just toss everything in the bowl, but a few little secrets make these far better than just tossing leftover cereal into your standard sugar cookie dough. The way we handle the Lucky Charms specifically is really what locks in that perfectly soft texture later on.

The All-Important Separation of Marshmallows

You absolutely must separate the marshmallows from the rest of the cereal when you measure out your cup of Lucky Charms. If you mix them all into the dough before baking, here’s what happens: they melt completely, the sugar dissolves, and you end up with these sad, greasy pits in your cookie surface. They totally disappear!

We need those chewy, colorful pieces floating beautifully on top. So, painstakingly pick them out and keep that half-cup aside for pressing on *after* baking. If you ever find yourself with a ton of extra marshmallows—maybe you made too many cookies!—you can check out my recipe for stretchy pants s’mores dip where marshmallows take center stage!

Handling the Cornflakes for Optimal Crunch

For the cornflakes, you have a little more wiggle room, but don’t go too crazy crushing them! I find that leaving most of them whole, or maybe just breaking up the biggest ones slightly with my hands, gives the best result. They need to be big enough to provide that distinct crunch against the soft cookie crumb.

If you crush them too fine, they just feel like extra flour, and that’s boring. If you prefer a slightly less aggressive crunch, you can always pulse them gently in a food processor a few times, but always leave some texture!

Butter Swaps—Proceed with Caution!

This is a sugar cookie base, so creamy butter is really the foundation of the texture. If you are absolutely out of unsalted butter, you can sometimes sub in salted butter, just make sure you omit the extra 1/2 teaspoon of salt we add in the dry ingredients. Don’t get tempted to use oil or margarine here, though!

Margarine doesn’t cream up the way butter does to create those necessary air pockets. We need proper fat structure for these cookies to hold onto the cornflakes without cracking apart when baked. Stick with real butter for the best chewy outcome!

Storing and Keeping Your Loaded Lucky Charms Cornflakes Sugar Cookies Fresh

Now that you’ve made the most perfect, colorful, crunchy cookies, you want them to last, right? Storing them is a little different than a plain sugar cookie because of those lovely marshmallows we pressed on top during the cooling process.

If you try to stack them right away, you’ll end up with a sticky, colorful mess stuck to the roof of your container. Seriously, don’t even try it!

The Cooling Wait is Non-Negotiable

The single most important rule for storage is patience! You have to let these cookies cool completely—and I mean completely—on the wire rack before you even think about putting them into an airtight container. Remember, those marshmallows soften when they are hot. If you seal them while any residual warmth is left, that steam gets trapped, and your cookies turn soggy in minutes.

If you wait until they are fully cool, the marshmallows firm up nicely onto the cookie surface and hold their shape. They’ll feel sturdy enough to stack then.

Three golden-brown Loaded Lucky Charms Cornflakes Sugar Cookies topped with colorful marshmallows on a white plate.

Airtight Storage is Best, But Beware of Humidity

Once fully cooled, load them into a good quality, airtight container. Because of the sugar content and the combination of cereal crunch and soft cookie dough, they are best eaten quickly—within about four days. After that, the cornflakes start to lose their sharp snap against the moisture inside the cookie base.

If you live somewhere really humid, you might notice the marshmallows getting a little tacky even after cooling. If that happens, try lining the container with a small piece of paper towel on the bottom before adding the cookies. That little bit of absorbent paper can wick away any sneaky condensation overnight.

Freezing for Later Fun

These cookies actually freeze surprisingly well, which is great when you make a huge batch like I always end up doing! You have two options here, depending on how you want them later.

Option 1: Freezing Un-Marshmallowed

If you bake them, let them cool completely, and *then* separate the marshmallows for adding later, they freeze beautifully for up to three months. Wrap the plain, cooled cookies tightly in plastic wrap, then slip them into a heavy-duty freezer bag. When you want cookies, just thaw them on the counter, and then follow step 8 of the recipe: press the reserved marshmallows on while they are warm from a quick 30-second warm-up in the microwave!

Option 2: Freezing Fully Loaded

You can freeze the finished cookies too, but I find the marshmallows get a bit sticky when they thaw. If you do this, make sure you put a small square of wax paper between each cookie before you put them into the freezer bag. This keeps those colorful tops from gluing themselves together. Eat them within a month for the best flavor!

Variations on Loaded Lucky Charms Cornflakes Sugar Cookies

While I stand by my original recipe for the ultimate Loaded Lucky Charms Cornflakes Sugar Cookies, I know my fellow bakers love to tinker! It’s so much fun taking a perfectly great foundation and just pushing it a little further. These cookies are incredibly versatile, mostly because the base dough is so sturdy and delicious all on its own.

Swap Out the Cereal for a Different Crunch

The cornflakes are there for texture and a slightly salty bend, but what if you’re feeling adventurous? You don’t have to abandon the cornflakes entirely, but swapping one component out can give you a whole new cookie experience.

If you don’t have cornflakes, Crispix cereal works incredibly well because it has that satisfying, slightly geometric crunch. Another popular option in my house is Rice Krispies, though you need to be a little gentler when folding them in since they are much more delicate than cornflakes.

For a chocolate twist, try mixing in cocoa powder with the dry ingredients and swapping the cornflakes for Cocoa Puffs! You’ll still want to use the Lucky Charms marshmallows on top, because that pink and green color contrast against dark brown is just fantastic.

Adding a Simple Drizzle or Glaze

The marshmallows on top after baking act as a mini-glaze, but sometimes you want that little extra something extra, especially if you’re serving these for a party instead of just a Tuesday afternoon snack. We aren’t doing a heavy frosting here—that totally covers up the texture—but a light drizzle works wonders.

My favorite drizzle is a simple vanilla glaze. You just need powdered sugar, a teaspoon of vanilla, and just enough milk or cream to make it pourable—think honey consistency, not pancake batter! It hardens up nicely but gives you that extra hit of sweetness.

Strawberry Cream Cheese Drizzle

If you want something a little fancier, take a page from my strawberry cookies with cream cheese frosting recipe! Mix a tablespoon of softened cream cheese with powdered sugar and a splash of strawberry milk or juice made from fresh strawberries. Thin it out just enough so you can drizzle it lightly across the cooled cookies. It adds such a beautiful pink hue and a lovely tang that cuts through the sweetness of the marshmallows perfectly. It really elevates our **Loaded Lucky Charms Cornflakes Sugar Cookies**!

Three golden-brown Loaded Lucky Charms Cornflakes Sugar Cookies topped with colorful marshmallows on a white plate.

Incorporating Zest or Extracts

The base cookie recipe has vanilla, which is totally classic, but extracts are such an easy swap if you want to change the entire flavor profile without changing the crunch factor.

Try swapping the vanilla for almond extract. Almond extract pairs surprisingly well with the vanilla flavor in the Lucky Charms marshmallows and gives the cookie a slightly marzipan-like undertone. Be careful, though; almond extract is potent, so start with just half a teaspoon!

Another great idea, especially if you are using plain cornflakes instead of Lucky Charms, is adding lemon zest. Grate the zest of one whole lemon right into your butter and sugar mixture when you are creaming them together. That bright citrus scent lifts the entire cookie and makes it taste so fresh!

Frequently Asked Questions About Loaded Lucky Charms Cornflakes Sugar Cookies

Since these cookies are such a unique combination of textures, I often get asked the same few things about how to make sure they turn out right. Don’t worry if you have questions—it means you care about getting the perfect cookie! Here are the ones I hear the most often about our delightful cereal treats.

How do I keep the marshmallows soft when I store the cookies?

That’s the million-dollar question! Marshmallows—especially the dried ones you get in the cereal box—are notorious for getting hard. Remember how I said you need to add them *right* after they come out of the oven? That’s your best bet for keeping them slightly soft and chewy on the cookie. If you stored the cookies for a few days and notice they’ve firmed up a little too much, here’s a little trick.

Place the finished cookies in an airtight container with one fresh, soft marshmallow (a regular craft-style one, even!) beside them, but not touching. The moisture from that soft marshmallow will slowly transfer to the baked-on cereal pieces overnight, plumping them up again! Just make sure you remove that extra marshmallow before sealing the container for long-term storage.

Can I skip the cornflakes and just use extra Lucky Charms?

You absolutely *can*, but I really wouldn’t recommend it if you want the best texture! The Lucky Charms marshmallows are light and airy, and they basically melt into sticky spots during baking. The cornflakes are crucial because they are dense and sturdy, providing the textural backbone that keeps the cookie from being too soft or crumbly.

If you skip the cornflakes, I’d suggest substituting them with something like Grape-Nuts or even finely chopped pretzels for that salty, sturdy crunch. It won’t be the *exact* same flavor, but you’ll maintain that great structure in your Loaded Lucky Charms Cornflakes Sugar Cookies. I find that sometimes when I make my triple chocolate chip cookies ultra-chewy, the added cocoa acts as a stabilizing agent; cereal works differently, so follow the recipe!

My dough seems really thick after mixing everything in—is that normal?

Yes, totally normal! Because you are adding a full cup of dry, bulky cereal to a standard cookie dough mix, it is going to look much thicker and stiffer than a regular sugar cookie dough. It might even look like it won’t come together, but when you scrape down the sides and fold gently, you’ll see that it holds its shape well.

That stiffness is actually a good thing! It means the dough won’t spread into flat little pancakes while baking, which is exactly what we want when incorporating crunchy elements. You should be able to easily scoop tablespoon-sized balls that don’t immediately slump over.

Do I have to use granulated sugar, or can I use brown sugar too?

For achieving that classic, slightly crisp-edged, yet chewy sugar cookie base, granulated sugar is the preferred choice here. Brown sugar holds a lot more moisture because of the molasses, and while I love brown sugar in things like oatmeal cookies, it can make these cereal cookies a bit too cakey or soft when combined with the added bulk of the cereal.

Stick to the granulated sugar for the best chew and structure. If you want to experiment with flavor swaps down the line, you can look at my notes on different variations, but for your first batch of these fun cereal cookies, stick to the white sugar!

Estimated Nutritional Snapshot for Loaded Lucky Charms Cornflakes Sugar Cookies

Okay, let’s get real for a second. While these cookies are pure magic in terms of fun and flavor, they are definitely a sweet treat! I know we all want to keep track of what we’re eating, especially when you’re making huge batches that disappear faster than you can blink. While I’m busy making sure the texture is spot-on, I’ve pulled together the estimated nutritional information based on the ingredients list we used.

Remember, I’m a baker, not a nutritionist! If you’re looking for super precise calorie counts or trying to accommodate serious dietary needs, you might want to chat with a professional planner. If you’re interested in other decadent treats that are surprisingly easy, you should check out my easy cheesecake recipe for another indulgence!

Here’s a general look at what’s inside one of these glorious, crunchy, marshmallow-topped cookies:

  • Serving Size: 1 cookie
  • Calories: 180
  • Sugar: 15g
  • Sodium: 85mg
  • Fat: 9g
  • Saturated Fat: 5g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g—Hooray!
  • Carbohydrates: 23g
  • Fiber: 0.5g
  • Protein: 2g
  • Cholesterol: 30mg

A Quick Note on Accuracy: Please just take these numbers as a fun guideline! The exact nutritional profile can change based on the specific brand of cornflakes or butter you buy. But the important thing is that every single bite is worth it!

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Three Loaded Lucky Charms Cornflakes Sugar Cookies topped with colorful marshmallows and cereal pieces on a white plate.

Loaded Lucky Charms Cornflakes Sugar Cookies


  • Author: memorecipes.com
  • Total Time: 31 min
  • Yield: 24 cookies 1x
  • Diet: Vegetarian

Description

Simple sugar cookies mixed with cornflakes and topped with Lucky Charms cereal pieces.


Ingredients

Scale
  • 1 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 2 3/4 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1 cup cornflakes cereal
  • 1 cup Lucky Charms cereal (marshmallows separated)
  • 1/2 cup Lucky Charms marshmallows (reserved)

Instructions

  1. Preheat your oven to 350 degrees Fahrenheit. Line baking sheets with parchment paper.
  2. In a large bowl, cream together the softened butter and granulated sugar until light and fluffy.
  3. Beat in the egg and vanilla extract until combined.
  4. In a separate bowl, whisk together the flour, baking powder, and salt. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
  5. Fold in the cornflakes cereal and the non-marshmallow pieces of the Lucky Charms cereal.
  6. Drop rounded tablespoons of dough onto the prepared baking sheets, spacing them about 2 inches apart.
  7. Bake for 9 to 11 minutes, or until the edges are lightly golden.
  8. Remove from the oven and immediately press a few reserved Lucky Charms marshmallows onto the top of each warm cookie.
  9. Let the cookies cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.

Notes

  • For softer cookies, slightly underbake them.
  • You can press the marshmallows on right after they come out of the oven so they soften slightly.
  • Prep Time: 20 min
  • Cook Time: 11 min
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cookie
  • Calories: 180
  • Sugar: 15g
  • Sodium: 85mg
  • Fat: 9g
  • Saturated Fat: 5g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 23g
  • Fiber: 0.5g
  • Protein: 2g
  • Cholesterol: 30mg

Keywords: sugar cookies, Lucky Charms, cornflakes, cereal cookies, sweet treat, marshmallow cookies

Recipe rating