Indulge in the enchanting flavors of these homemade Crumbl Frosted Lucky Charms Cookies – a magical treat featuring a rich, buttery white chocolate chip cookie base, crowned with a dreamy cream cheese marshmallow frosting, and generously sprinkled with those irresistible Lucky Charms marshmallows. Perfect for St. Patrick’s Day or any day you crave a touch of whimsy, this copycat recipe brings the beloved bakery experience right to your kitchen.
If you’re a fan of unique Crumbl-inspired delights, you’ll also adore our recipes for Crumbl Snickerdoodle Cupcake Cookies, The Softest Crumbl Circus Animal Cookies, and the classic Chilled Crumbl Sugar Cookies Copycat Recipe. Each offers a taste of Crumbl’s rotating menu, anytime you desire.

St. Patrick’s Day just isn’t complete without a festive touch, and what better way to celebrate than with these vibrant Lucky Charms cookies? Crumbl Cookies famously introduced their take on this whimsical treat, combining the nostalgic crunch of Lucky Charms cereal with their signature thick, chewy cookie base. This copycat recipe captures that magic, allowing you to enjoy a taste of good fortune any time of year.
The foundation of these delightful cookies is a substantial and tender cookie dough, generously studded with white chocolate chips. These chips not only add a luxurious sweetness but also contribute to the cookie’s appealing texture. Each bite offers a delightful contrast between the soft cookie and the smooth, creamy white chocolate. The masterpiece is then completed with a lavish topping of silky marshmallow creme cream cheese frosting, providing an unbelievably smooth mouthfeel and a burst of sweet, tangy flavor.
Unleash the Magic: The Best Crumbl Lucky Charms Cookies Copycat
What truly sets these cookies apart is their enchanting topping: the iconic marshmallows from Lucky Charms cereal. If you’re fortunate enough to find pre-packaged bags of just the colorful, whimsical marshmallows, your task will be blissfully simple. However, for most of us, it means a delightful (though slightly time-consuming) journey through a regular box of Lucky Charms. Picture yourself carefully sifting through the toasted oat pieces, hand-picking each vibrant clover, heart, star, and rainbow marshmallow. It’s a labor of love that transforms into a fun activity, and once you get into the rhythm, you’ll have a bountiful pile of these magical morsels in no time, ready to adorn your freshly baked cookies.
Why You Absolutely Must Bake These Lucky Charms Cookies!
- Effortlessly Delicious: Despite their bakery-quality appearance and taste, these cookies are surprisingly easy to make, perfect for bakers of all skill levels.
- Bakery-Style Perfection: Every batch consistently yields thick, chewy cookies that rival those from your favorite professional bakeries, guaranteed to impress.
- Your Crumbl Craving, Anytime: This spot-on copycat recipe means no more waiting for Crumbl’s rotating menu to feature your favorite Lucky Charms cookie. Enjoy them whenever the craving strikes!
- Budget-Friendly Indulgence: Recreating these gourmet cookies at home offers significant savings. Skip the $5-a-cookie price tag and enjoy a whole batch for less.
- Nostalgic Charm: Bring back childhood memories with the playful, colorful marshmallows of Lucky Charms, making these cookies a hit with both kids and adults.
- Perfect for Celebrations: Whether it’s St. Patrick’s Day, a birthday party, or just a weekend treat, these cookies add a festive and joyful touch to any occasion.

Essential Ingredients for Your Crumbl Lucky Charms Cookies
Gathering the right ingredients is the first step to baking success. Here’s what you’ll need for these delightful St. Patrick’s Day-inspired cookies, along with a few tips for optimal results. For precise measurements, please refer to the detailed recipe card below.
- Butter: Whether you opt for salted or unsalted, ensure your butter is softened to room temperature. This is crucial for creaming it effectively with sugar, creating a light and fluffy base.
- Brown Sugar: Light brown sugar lends a rich, caramel-like sweetness and contributes significantly to the chewy texture of the cookies.
- Egg: A single large egg, also at room temperature, acts as a binder, adding moisture and structure to your cookie dough.
- Vanilla Butter Emulsion: This ingredient enhances both the vanilla and buttery notes, delivering a deeper, more complex flavor profile. If you don’t have emulsion, a good quality vanilla extract will work beautifully as a substitute.
- Baking Soda: This leavening agent is key to achieving that desirable slight rise and soft, tender crumb in your cookies.
- All-Purpose Flour: Standard all-purpose flour provides the structural foundation for these cookies. Ensure it’s measured correctly, preferably by weight, to avoid a dry or dense cookie.
- Salt: A small amount of salt is vital in balancing the sweetness of the cookies, enhancing all the other flavors without making them taste salty.
- White Chocolate Chips: Using high-quality white chocolate chips will elevate the flavor and texture of your cookies significantly. They melt beautifully, creating pockets of creamy sweetness.
- Cream Cheese: For the frosting, use full-fat cream cheese, softened to room temperature. This ensures a smooth, lump-free frosting with a delightful tang.
- Marshmallow Creme: This sweet, sticky ingredient is essential for achieving the iconic marshmallowy texture and flavor in your frosting, making it irresistibly luscious.
- Powdered Sugar: Also known as confectioners’ sugar, this fine sugar is necessary for sweetening the frosting and giving it a silky-smooth consistency.
- Vanilla Extract: A touch of vanilla extract in the frosting complements the sweetness and adds an extra layer of aromatic flavor.
- Lucky Charms Cereal: The star of the show! You’ll be picking out just the vibrant, magically delicious marshmallow pieces from the cereal box to sprinkle on top.
Crafting Your Magical Lucky Charms Cookies: Step-by-Step
Creating these captivating Lucky Charms cookies is a straightforward process, resulting in a treat that looks and tastes like it came straight from a gourmet bakery. Follow these detailed instructions, and remember to consult the full recipe card below for all the specifics!
- Prepare Your Workspace: Begin by preheating your oven to 350°F (175°C). Line a large baking sheet with parchment paper to prevent sticking and ensure even baking, then set it aside.
- Cream the Wet Ingredients: In a large mixing bowl, using an electric mixer, cream together the softened butter and light brown sugar until the mixture becomes light, fluffy, and pale in color. This process incorporates air, contributing to the cookie’s tender texture.
- Incorporate Egg and Emulsion: Beat in the room temperature egg and the vanilla butter emulsion (or vanilla extract) until fully combined. Scrape down the sides of the bowl to ensure all ingredients are incorporated evenly.
- Add Dry Ingredients: Gradually add the all-purpose flour, baking soda, and salt to the wet mixture. Mix on low speed just until the dry ingredients are barely incorporated and no streaks of flour remain. Be careful not to overmix, as this can lead to tough cookies.
- Fold in White Chocolate and Marshmallows: Gently fold in the white chocolate chips until they are evenly distributed throughout the dough. At this stage, you can also fold in about half of your picked-out Lucky Charms marshmallows if you want them baked into the cookie for extra texture and flavor.
- Scoop and Shape Cookies: Using a large cookie scoop (about 1/4 cup or 4 tablespoons), portion out 8 equally sized cookie dough balls. Place them onto your prepared baking sheet, leaving ample space between each. Gently flatten each cookie dough ball to about 1 inch in thickness.
- Bake to Perfection: Bake in the preheated oven for approximately 11-12 minutes, or until the edges are lightly golden brown and the centers appear set but still slightly soft.
- Cool the Cookies: Once baked, remove the cookies from the oven and let them cool on the baking sheet for 20-30 minutes. This crucial step allows them to set and firm up properly before transferring. After this initial cooling, carefully transfer them to a wire rack to cool completely before frosting and decorating.





Crafting the Irresistible Marshmallow Cream Cheese Frosting
This light and fluffy frosting is the crowning glory of your Lucky Charms cookies. Its creamy texture and balanced sweetness perfectly complement the rich cookie base.
- Combine Butter and Cream Cheese: In a clean mixing bowl, beat the softened butter and cream cheese together until the mixture is smooth, creamy, and well combined. Ensure there are no lumps of cream cheese.
- Whip in Sweetness and Flavor: Add the marshmallow creme, powdered sugar, and vanilla extract. Beat on medium-high speed until the frosting becomes light, airy, and fluffy. This may take a few minutes, so be patient and let the mixer do its work.
- Frost and Decorate: Once your cookies are completely cooled, generously frost each one with the marshmallow cream cheese frosting. Immediately sprinkle the remaining Lucky Charms marshmallows on top, gently pressing them into the frosting to adhere. Now, your magical treats are ready to be enjoyed!

Frequently Asked Questions (FAQ) about Lucky Charms Cookies
Here are answers to some common questions to help you master these delightful frosted Lucky Charms cookies:
How do I store these St. Patrick’s Day Lucky Charms cookies?
To keep your cookies fresh and delicious, store them in an airtight container. At room temperature, they will maintain their quality for up to 3 days. If you prefer to extend their freshness, you can refrigerate them for up to 5 days. For the best flavor and texture, allow refrigerated cookies to come back to room temperature before serving.

Can I freeze these Crumbl Lucky Charms cookies?
Absolutely! These cookies freeze beautifully. To freeze, arrange the unfrosted or frosted (but ideally, freeze unfrosted and frost after thawing) cookies in a single layer on a baking sheet or plate. Flash freeze them for about an hour, or until solid. Once firm, transfer them to an airtight freezer-safe container or a heavy-duty freezer bag, separating layers with parchment paper. They can be frozen for up to 2 months. When you’re ready to enjoy them, simply thaw the cookies on the counter for a few hours or in the refrigerator overnight. If you froze them unfrosted, prepare the frosting and decorate as usual after thawing.

How can I make smaller, catering-sized Crumbl Lucky Charms cookies?
Yes, you can easily adjust the size! Instead of making 8 large cookies, you can use a smaller cookie scoop (about 2 tablespoons) to yield approximately 16 smaller cookies. When baking smaller cookies, reduce the baking time to about 8-9 minutes, or until the edges are lightly golden.
Do I have to frost these cookies?
While the cookies are certainly delicious on their own, thanks to the white chocolate chips and the optional baked-in Lucky Charms marshmallows, we highly recommend adding the frosting. The marshmallow cream cheese frosting adds a crucial layer of creamy texture and a balanced sweetness that elevates the entire cookie experience. It provides a delightful tang from the cream cheese and a luxurious mouthfeel that truly completes this Crumbl copycat. The frosting isn’t just an extra; it’s an integral part of the signature flavor profile.
Can I use regular marshmallows instead of Lucky Charms marshmallows?
While regular mini marshmallows could be used, they won’t provide the same vibrant colors and whimsical shapes that are characteristic of Lucky Charms. The visual appeal is a big part of what makes these cookies so special. If you want the authentic Crumbl Lucky Charms experience, it’s worth the effort to pick out the cereal marshmallows.
What kind of white chocolate works best in this recipe?
For the best flavor and melting quality, we recommend using good quality white chocolate chips or a chopped white chocolate bar (such as Ghirardelli or Callebaut). Avoid “white baking chips” that often contain mostly sugar and vegetable oil, as they don’t melt as smoothly or taste as rich.

Crumbl Frosted Lucky Charms Cookies Recipe
These Crumbl-inspired frosted Lucky Charms cookies are a delightful blend of classic cookie comfort and whimsical marshmallow fun, perfect for any occasion that calls for a little magic. If you’ve enjoyed baking and tasting these enchanting treats, please consider leaving a 5-star review by clicking on the stars below the title. Your feedback helps us tremendously!
Crumbl Frosted Lucky Charms Cookies
These copycat Lucky Charms cookies are made with an iconic cereal for a fun, festive twist. Enjoy super cute white chocolate cookies topped with a creamy marshmallow cream cheese frosting and decorated with vibrant Lucky Charms marshmallows.
- Prep Time: 10 mins
- Cook Time: 11-12 mins
- Total Time: Approximately 21-22 mins (plus cooling)
- Servings: 8 large cookies
Ingredients for the Cookies
- 1/2 cup (113g) butter, salted or unsalted, softened
- 1/2 cup (100g) light brown sugar, packed
- 1 large egg, at room temperature
- 2 tsp butter vanilla emulsion or vanilla extract
- 1/2 tsp baking soda
- 1 & 1/3 cups (166g) all-purpose flour
- 1/4 tsp salt
- 2/3 cup (115g) white chocolate chips
- 1/2 cup Lucky Charms marshmallows (optional, for folding into dough, plus extra for topping)
Ingredients for the Marshmallow Cream Cheese Frosting
- 4 oz (113g) cream cheese, softened
- 2 tbsp (28g) butter, softened
- 3 tbsp (45g) marshmallow creme
- 1/2 cup (60g) powdered sugar
- 1/2 tsp vanilla extract
Instructions for the Cookies
- Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper. Set aside.
- In a large bowl, cream the softened butter and brown sugar together using an electric mixer until light and fluffy.
- Mix in the room temperature egg and the vanilla butter emulsion (or vanilla extract) until well combined.
- Add the flour, salt, and baking soda to the wet ingredients. Mix on low speed just until the flour mixture disappears. Be careful not to overmix.
- Gently fold in the white chocolate chips and, if desired, about half of your Lucky Charms marshmallows.
- Using a large cookie scooper (approx. 1/4 cup), scoop out 8 large cookie dough balls. Place them on the prepared baking sheet and gently flatten each to about 1 inch in thickness.
- Bake for 11-12 minutes, or until the edges are lightly golden and the centers are set.
- Let the cookies cool on the baking sheet for 20-30 minutes before transferring them to a wire rack to cool completely.
Instructions for the Marshmallow Cream Cheese Frosting
- While the cookies cool, prepare the frosting. In a medium bowl, cream the softened butter and cream cheese together until smooth and well combined.
- Add the marshmallow creme, vanilla extract, and powdered sugar. Whip on medium-high speed until the frosting is light and fluffy.
- Once the cookies are completely cool, generously frost each one.
- Decorate immediately with the remaining Lucky Charms marshmallows. Enjoy your magical cookies!
Notes
How to store these St. Patrick’s Day Lucky Charms cookies?
You can store these cookies in an airtight container at room temperature for up to 3 days. Alternatively, store them in the fridge for up to 5 days. Remember to let refrigerated cookies come to room temperature before enjoying them for the best flavor and texture!
Nutrition Information (Approximate per serving)
- Calories: 430 kcal
- Carbohydrates: 49g
- Protein: 5g
- Fat: 25g
- Saturated Fat: 15g
- Polyunsaturated Fat: 1g
- Monounsaturated Fat: 7g
- Trans Fat: 1g
- Cholesterol: 76mg
- Sodium: 325mg
- Potassium: 115mg
- Fiber: 1g
- Sugar: 32g
- Vitamin A: 667IU
- Vitamin C: 1mg
- Calcium: 66mg
- Iron: 1mg
Nutrition information is automatically calculated and should only be used as an approximation.
Thank you for exploring this delightful recipe all the way through!
If you baked these cookies and enjoyed them, don’t forget to let us know in the comments below! We love hearing about your kitchen adventures. In the meantime, don’t forget to connect with me on Instagram for more delicious inspiration!

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