# What You Need:
→ Cake Layers
01 - 3 cups all-purpose flour
02 - 2½ teaspoons baking powder
03 - ½ teaspoon baking soda
04 - ½ teaspoon salt
05 - 1 cup unsalted butter, softened
06 - 2 cups granulated sugar
07 - 4 large eggs, room temperature
08 - 2 teaspoons vanilla extract
09 - 1¼ cups whole milk, room temperature
10 - Gel food coloring in red, orange, yellow, green, blue, and purple
→ Piñata Filling
11 - 1½ cups assorted small candies such as mini M&Ms, rainbow sprinkles, and gummy bears
→ Frosting
12 - 1½ cups unsalted butter, softened
13 - 5 cups powdered sugar, sifted
14 - ¼ cup whole milk
15 - 2 teaspoons vanilla extract
16 - Pinch of salt
17 - Gel food coloring for decorating, optional
# How to Make It:
01 - Preheat oven to 350°F. Grease and line three 8-inch round cake pans with parchment paper.
02 - In a medium bowl, whisk together flour, baking powder, baking soda, and salt until evenly distributed.
03 - In a large bowl, beat softened butter and granulated sugar for approximately 3 minutes until light and fluffy in texture.
04 - Add eggs one at a time to the butter mixture, beating well after each addition. Mix in vanilla extract until fully combined.
05 - Add the dry ingredient mixture in three portions, alternating with milk and beginning and ending with dry ingredients. Mix until just combined, avoiding overmixing.
06 - Divide batter evenly into six bowls. Tint each portion with a different gel food coloring to create red, orange, yellow, green, blue, and purple batters.
07 - Pour each colored batter into a greased and lined 8-inch pan. If using only three pans, bake in batches. Bake each layer for 15-18 minutes until a toothpick inserted in the center emerges clean. Cool in pans for 10 minutes, then transfer to wire racks for complete cooling.
08 - Once cooled, use a 3-inch round cutter to cut a hole in the center of four cake layers, leaving the top and bottom layers intact.
09 - Beat softened butter until creamy. Gradually add sifted powdered sugar, milk, vanilla extract, and salt, beating until smooth and fluffy.
10 - Place the purple whole layer on a serving plate. Spread a thin frosting layer on top. Stack the first cut-out layer and frost lightly. Repeat stacking and frosting all remaining cut-out layers.
11 - Pour assorted candies into the center cavity created by the stacked cut-out layers.
12 - Place the final whole cake layer on top of the candy-filled cavity to seal the piñata surprise.
13 - Generously frost the outside and top of the assembled cake with remaining frosting. Decorate with colored frosting, sprinkles, or festive embellishments as desired.
14 - Refrigerate the cake for 30 minutes before slicing for optimal texture and appearance. Slice carefully to reveal the candy surprise within.