Copycat Crumbl Confetti Cake Cookie
Cheerful, sweet, and kid-approved — these cookies mimic the birthday cake vibe with vanilla, sprinkles, and that signature Crumbl sugar-cookie chew.
Ingredients (12 cookies)
1 cup unsalted butter, softened
1 cup granulated sugar
1 large egg + 1 egg yolk
2 tsp vanilla extract
2 ½ cups all-purpose flour
2 tsp cornstarch
1 tsp baking powder
½ tsp baking soda
½ tsp salt
½ cup rainbow sprinkles
Frosting
½ cup unsalted butter, softened
2 cups powdered sugar
2 tbsp heavy cream
1 tsp vanilla extract
Instructions
Preheat oven to 350°F (175°C). Line trays.
Cream butter + sugar until pale (3 minutes). Add egg, yolk, and vanilla.
Mix flour, cornstarch, baking powder, baking soda, salt separately. Add slowly.
Fold in sprinkles.
Scoop ¼-cup dough, flatten slightly. Bake 9–11 minutes.
Cool. Frost with vanilla buttercream, add more sprinkles.
Pro Tips
Use jimmies, not nonpareils, so colors don’t bleed.
Add ½ tsp almond extract for “bakery” birthday cake flavor.