Spring Birthday Funfetti Dip Cake (Printable Version)

Festive funfetti layers with creamy dip filling and rainbow sprinkles — bright, easy, and perfect for spring celebrations.

# What You Need:

→ Funfetti Cake

01 - 2 1/2 cups all-purpose flour
02 - 2 1/2 teaspoons baking powder
03 - 1/2 teaspoon salt
04 - 1 cup unsalted butter (2 sticks), softened
05 - 1 1/2 cups granulated sugar
06 - 4 large eggs
07 - 1 tablespoon vanilla extract
08 - 1 cup whole milk
09 - 2/3 cup rainbow jimmies sprinkles

→ Funfetti Dip

10 - 8 ounces cream cheese, softened
11 - 1/2 cup unsalted butter (1 stick), softened
12 - 2 cups powdered sugar (confectioners')
13 - 1/3 cup sprinkles
14 - 2 teaspoons vanilla extract
15 - 2 to 3 tablespoons milk

→ Decoration

16 - Extra rainbow sprinkles, as needed
17 - Edible spring candies, optional

# How To Make:

01 - Preheat oven to 350°F. Grease and line two 8-inch round cake pans with parchment paper and set aside.
02 - In a medium bowl, whisk together 2 1/2 cups all-purpose flour, 2 1/2 teaspoons baking powder, and 1/2 teaspoon salt until evenly distributed.
03 - In a large bowl, beat 1 cup unsalted butter and 1 1/2 cups granulated sugar until light and fluffy, about 3 to 4 minutes. Add 4 eggs one at a time, beating after each addition, then mix in 1 tablespoon vanilla extract.
04 - Alternately add the flour mixture and 1 cup whole milk to the butter mixture in three additions, beginning and ending with the flour; fold gently until just combined. Fold in 2/3 cup sprinkles without overmixing.
05 - Divide batter evenly between the prepared pans, smooth the tops, and bake at 350°F for 28 to 32 minutes, or until a toothpick inserted into the center comes out clean.
06 - Cool the cakes in their pans on a wire rack for 10 minutes, then invert onto the rack and cool completely before assembly.
07 - Beat 8 ounces softened cream cheese and 1/2 cup softened butter until smooth. Gradually add 2 cups powdered sugar and blend until incorporated. Stir in 2 teaspoons vanilla, 2 to 3 tablespoons milk to reach a spreadable consistency, and 1/3 cup sprinkles. Chill until ready to use.
08 - Place one cooled cake layer on a serving platter. Spread a thick, even layer of funfetti dip over the surface. Top with the second layer and coat the top and sides with the remaining dip using an offset spatula.
09 - Press extra sprinkles onto the frosted cake and add edible candies if desired. Chill the assembled cake at least 30 minutes to allow the frosting to set before slicing.
10 - Slice and serve chilled or at room temperature. Store leftovers covered in the refrigerator for up to 3 days.

# Expert Suggestions:

01 -
  • This cake feels like a party on a plate, even if it’s not your birthday.
  • The dip layer surprises everyone and gives extra creaminess with every forkful.
02 -
  • Don’t rush cooling or the dip will go soupy between cake layers—I learned that after one disastrous, pastel-splotched collapse.
  • Let sprinkles be the last thing to touch the dip or they might start to bleed and stain everything purple.
03 -
  • Always beat the cream cheese until smooth before adding sugar for a lump-free dip.
  • Don’t skip chilling the cake after assembling or you’ll risk a slippery, sliding slice on the plate.
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