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Birthday Cake Crumbl Cookie Recipe

This Birthday Cake Crumbl Cookie recipe brings the joy of a classic birthday celebration into a soft, buttery, sugar cookie topped with rich cake-flavored frosting and colorful sprinkles. Each cookie is thick, chewy, and perfectly sweet—just like the ones from Crumbl, but homemade. The base is a vanilla sugar cookie with hints of almond extract, giving it that nostalgic bakery taste. The frosting is a creamy buttercream infused with vanilla and a touch of birthday cake flavor. It's the perfect treat for parties, gifting, or anytime you're craving a celebration in cookie form.
Print Recipe
Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Servings: 12
Course: Dessert
Cuisine: American
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

For the Cookies:
  • 1 cup unsalted butter softened
  • 1 1/4 cups granulated sugar
  • 1 large egg
  • 2 teaspoons pure vanilla extract
  • 3 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup rainbow sprinkles
For the Frosting:
  • 8 oz cream cheese softened
  • 1/2 cup unsalted butter softened
  • 3 cups powdered sugar
  • 1 teaspoon pure vanilla extract
  • Additional sprinkles for garnish

Equipment

  • Mixing bowls
  • Electric mixer or stand mixer
  • Measuring cups and spoons
  • Baking sheets​
  • Parchment paper or silicone baking mats​
  • Cooling rack

Method
 

Prepare the Cookie Dough
  1. In a large mixing bowl, cream together the softened butter and sugar until light and fluffy.
  2. Beat in the egg and vanilla extract until fully incorporated.
Combine Dry Ingredients
  1. In a separate bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt.
Mix Wet and Dry Ingredients
  1. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
  2. Gently fold in the rainbow sprinkles, ensuring they are evenly distributed.
Shape and Bake the Cookies
  1. Scoop out portions of dough using a 1/4 cup measuring cup and roll them into balls.
  2. Place dough balls on a parchment-lined baking sheet, spacing them about 2 inches apart.
  3. Lightly flatten each dough ball.
  4. Bake in a preheated 350°F (175°C) oven for 10-12 minutes until the edges are set.
  5. Allow cookies to cool completely on a wire rack.
Prepare the Frosting
  1. Beat together the softened cream cheese and butter until smooth.
  2. Gradually add powdered sugar and vanilla extract, mixing until light and fluffy.
Frost and Decorate the Cookies
  1. Spread a generous layer of frosting on each cooled cookie.
  2. Garnish with extra rainbow sprinkles for a festive touch.

Notes

Store frosted cookies in an airtight container in the refrigerator for up to five days. Bring them to room temperature before serving for the best texture and flavor.