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Deliciously Fun Copycat Crumbl Birthday Cake Cookies

These delightful Crumbl-inspired birthday cake cookies are a wonderful way to celebrate your loved ones! With their soft, chewy texture and a dreamy layer of cream cheese frosting adorned with colorful sprinkles, they are sure to delight everyone who tries them. Perfect for parties, gifts, or simply satisfying a sweet tooth, these cookies will become a favorite in no time.

Homemade Crumbl birthday cake cookies on a marble table.

Why You’ll Love These Crumbl Birthday Cake Cookies

Party-Perfect: With vibrant sprinkles and a luscious layer of frosting, these cookies are not just tasty but visually appealing—ideal for any gathering or celebration.

Bakery-Style Taste: Skip the long lines at your favorite bakery! You can whip up these giant cookies in your kitchen, and they’ll taste like they came straight from Crumbl.

Make-Ahead Magic: Baking for a big crowd? Prepare the cookie dough ahead of time and bake them just before serving for maximum freshness.

Ingredients

Softened butter for a rich, buttery texture
Granulated sugar gives sweetness and helps create a delightful crisp
Room-temperature eggs are key for a smooth dough
Unique cake batter flavoring delivers that nostalgic birthday cake taste
All-purpose flour forms the base, ensuring the cookies remain soft and chewy
Baking powder helps achieve the perfect rise
Rainbow sprinkles add a fun and festive element
Cream cheese brings a tangy creaminess to the frosting
Powdered sugar for a silky smooth frosting
Milk adjusts the frosting consistency for easy spreading

How to Make Crumbl Birthday Cake Cookies

In just under 30 minutes, you can create these delightful cookies. They’re surprisingly simple to make, and everyone will be begging for more!

Step-by-Step Instructions

Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper or silicone mats.
Beat the softened butter and sugar together until light and fluffy. Make sure to scrape down the sides of the bowl as needed. Then, mix in the eggs, one at a time, followed by the cake batter flavoring.
Combine the flour and baking powder into the mixture until just integrated. Gently fold in the rainbow sprinkles with a spatula to keep them intact.
Portion the dough into balls that are about 1/3 cup in size. Flatten each ball into a thick disk approximately 1 inch high.
Bake the cookies for 15 to 18 minutes, or until they are puffed in the center, the edges are set, and the tops have lost their glossy sheen.
Frost by creaming together the butter, cream cheese, and cake batter flavoring until smooth. Gradually add in the powdered sugar, mixing on low until fluffy. If necessary, add milk to reach your desired consistency.
Pipe the frosting onto cooled cookies using a piping bag fitted with a large round nozzle to create a beautiful swirl.
Sprinkle additional rainbow sprinkles over the frosting for that extra festive touch. Enjoy your delicious cookies!

Tips For the Best Crumbl Birthday Cake Cookies

These cookies are indeed a treat for your taste buds! Here are some handy tips to ensure they’re perfect every time:

Use jimmies-style sprinkles: Opt for jimmies instead of nonpareils to prevent color bleeding in the dough.
DIY flavoring: If you can’t find cake batter flavoring, combine 1 1/2 teaspoons of vanilla extract and 1/2 teaspoon of almond extract for a similar effect, and set aside 1/2 teaspoon for the frosting.
Mix gently: Only combine the flour until just included to avoid dense cookies. A wooden spoon works best for this step!
Chill if needed: If the dough becomes too soft, refrigerate it for 20-30 minutes to make shaping easier.
Flattening trick: To achieve uniform thickness, use a flat-bottomed glass wrapped in plastic to press down the dough balls.
No piping bag? No problem! Use a spatula to spread frosting over cookies or cut a corner off a zip-top bag for an easy alternative.
Prep ahead: Make the cookie dough up to two days in advance and refrigerate. For best results, let it sit at room temperature for about 10 minutes before baking. You can freeze unbaked dough balls for up to 3 months; bake them straight from the freezer, adding an extra minute or two to the time.
Explore variations: Use seasonal sprinkles or try adding mini white chocolate chips for a twist on the classic cookie.

How to Store

Keeping your cookies fresh and delicious is a breeze with these storage tips:

To store: Place the cookies in an airtight container in the refrigerator for up to five days to maintain the frosting’s freshness. Enjoy at room temperature for the best taste and texture.

To freeze: Freeze the unfrosted cookies in a single layer on a baking sheet. Once firm, transfer them to a freezer-safe container or bag and freeze for up to three months. Thaw at room temperature and frost before serving for that fresh-baked taste!