Ingredients
Equipment
Method
Double Chocolate Layer
- In a bowl, combine 1 1/4 cups all-purpose flour, 1/2 cup cocoa powder, 1/2 tsp baking soda, and 1/2 tsp salt.

- In a separate bowl, cream together 3/4 cup unsalted butter, 1/2 cup light brown sugar, and 1/2 cup sugar. Add 1 large egg and 1 tsp vanilla extract, mixing until well combined.

- Gradually add the dry mixture to the wet ingredients, stirring gently until just combined. Fold in 1 1/4 cups semi-sweet chocolate chips.

Classic Chocolate Chip Layer
- Repeat steps for the Classic Chocolate Chip Layer using the respective ingredient amounts.

Funfetti Layer
- Cream together 3/4 cup unsalted butter, 1/4 cup light brown sugar, and 1/4 cup sugar. Add in 1 large egg and 2 tsp vanilla extract, blending nicely.

- Stir in the 15.25 oz box of funfetti cake mix and 6 tbsp all-purpose flour. Fold in 3-4 tbsp sprinkles and 1 1/4 cups white chocolate chips.

Assembly
- Pour the Double Chocolate Layer batter into a baking dish, followed by the Classic Chocolate Chip Layer. Finally, top it with the Funfetti mixture.

- Frost the entire cake with the Vanilla Buttercream, and optionally sprinkle additional sprinkles on top.

Nutrition
Notes
Ensure all ingredients are at room temperature for better texture. Allow each layer to cool completely before frosting.
