Cotton Candy Cake (Printable)

Pink and blue layered cake with cotton candy buttercream, perfect for celebrations and parties.

# What You’ll Need:

→ Cake Layers

01 - 2 ½ cups (315 g) all-purpose flour
02 - 1 tbsp baking powder
03 - ½ tsp salt
04 - 1 ½ cups (300 g) granulated sugar
05 - ¾ cup (170 g) unsalted butter, softened
06 - 4 large eggs
07 - 1 cup (240 ml) whole milk
08 - 1 tbsp vanilla extract
09 - ¼ tsp cotton candy flavoring (or to taste)
10 - Pink and blue gel food coloring

→ Cotton Candy Buttercream

11 - 1 cup (226 g) unsalted butter, softened
12 - 4 cups (480 g) powdered sugar, sifted
13 - 3–4 tbsp whole milk or heavy cream
14 - ½ tsp cotton candy flavoring
15 - Pink and blue gel food coloring

→ Decoration

16 - Cotton candy for garnish
17 - Sprinkles (optional)

# Directions:

01 - Preheat the oven to 350°F (175°C). Grease and flour two 8-inch round cake pans, or line them with parchment paper rounds.
02 - In a medium bowl, whisk together the all-purpose flour, baking powder, and salt. Set aside.
03 - In a large mixing bowl, beat the softened butter and granulated sugar together using an electric mixer until the mixture is pale, light, and fluffy.
04 - Add the eggs one at a time, beating well after each addition until fully incorporated. Stir in the vanilla extract and cotton candy flavoring.
05 - Gradually add the flour mixture to the batter, alternating with the whole milk. Begin and end with the dry ingredients, mixing until just combined. Avoid overmixing.
06 - Divide the batter evenly between two separate bowls. Add pink gel food coloring to one bowl and blue gel food coloring to the other. Gently fold each until the color is uniform throughout.
07 - Pour the pink batter into one prepared pan and the blue batter into the other. Smooth the tops and bake for 28–32 minutes, or until a toothpick inserted into the center of each cake comes out clean.
08 - Let the cakes cool in their pans for 10 minutes, then turn them out onto wire racks to cool completely before frosting.
09 - Beat the softened butter with an electric mixer until smooth and creamy. Gradually add the sifted powdered sugar in batches, beating well after each addition. Pour in the cotton candy flavoring and add whole milk or heavy cream, one tablespoon at a time, until the buttercream reaches a silky, spreadable consistency.
10 - Divide the buttercream evenly into two bowls. Tint one portion pink and the other blue using gel food coloring, mixing each until the color is smooth and even.
11 - Level the cake layers with a serrated knife if necessary. Place one layer on a serving plate and spread one color of buttercream evenly across the top. Place the second layer on top. Frost the entire cake with alternating swirls of pink and blue buttercream using an offset spatula.
12 - Garnish the frosted cake with fresh cotton candy and sprinkles just before serving to prevent the cotton candy from melting or dissolving.

# Expert Suggestions:

01 -
  • The dual colored layers look stunning on any dessert table without requiring advanced decorating skills.
  • Cotton candy flavoring gives the cake an unmistakable fairground sweetness that guests always ask about.
02 -
  • Cotton candy melts within minutes on a frosted cake so never add it until you are literally carrying the cake to the table.
  • Overmixing the colored batter introduces air pockets that create tunnels in the finished crumb so fold gently and stop early.
03 -
  • Wrap cooled cake layers in plastic wrap and freeze overnight for easier stacking and fewer crumbs in your frosting.
  • Always add cotton candy flavoring gradually, tasting as you go, because different brands vary wildly in concentration and it can turn cloying fast.

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