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Ingredients

• ✓ purple gel food coloring
• all-purpose flour
• white cake mix
• sour cream
• egg
• butter
• water
• vanilla pudding mix
• sugar
• red food coloring
• blue food coloring
• green food coloring
• yellow food coloring
• orange paste food coloring
• chocolate frosting
• rainbow sprinkle

Instructions

1. 1 Preheat the oven to 350 degrees F (175 degrees C) with rack in center position. Grease and flour a 10-cup fluted tube pan (such as Bundt).
2. 2 Combine cake mix, sour cream, eggs, butter, water, pudding mix, and sugar in a large bowl. Beat with an electric mixer on low speed until ingredients are moistened, then beat on medium-high speed for 1 minute. Batter will be thick.
3. 3 Evenly divide batter among 6 small bowls; tint each batch a different color, using enough food coloring paste to reach desired tone, colors will deepen and brighten when baked.
4. 4 Spoon red batter into bottom of the prepared pan and smooth using an offset spatula to evenly distribute. Carefully spoon purple batter on top and spread with spatula, pressing batter thinner near the inner edge and thicker at the outer edge of the pan to create an arc effect. Repeat with blue, green, yellow, and orange batters. Gently tap the pan on the counter 3 times to allow batter to settle.
5. 5 Bake in the preheated oven until a toothpick inserted into center comes out clean and top is just starting to brown, 35 to 45 minutes. Be careful not to overbake.
6. 6 Cool cake in the pan for 10 minutes. Turn cake out onto a serving plate; cool completely, about 1 hour.
7. 7 Drizzle or spread frosting over cooled cake; decorate with rainbow sprinkles.

By GoosesGirl94

Ingredients

• ✓ purple gel food coloring
• candy sprinkle
• candy
• salt
• pink gel food coloring
• vanilla extract
• heavy cream
• confectioners sugar
• cream cheese
• butter
• pink gel food coloring
• blue gel food coloring
• green gel food coloring
• buttermilk
• vanilla extract
• egg
• white sugar
• butter
• baking soda
• baking powder
• salt
• all-purpose flour

Instructions

1. 1 Preheat the oven to 350 degrees F (175 degrees C). Grease and lightly flour 4 (9-inch) cake pans.
2. 2 Whisk flour, salt, baking powder, and baking soda together in a medium bowl and set aside.
3. 3 Beat butter in a stand mixer fitted with the paddle attachment until creamy, about 1 minute. Beat in sugar on high speed, scraping the bowl with a spatula as needed, until fully incorporated, about 5 minutes. Reduce speed to medium-high; beat in eggs one at a time, mixing well after each addition. Mix in vanilla.
4. 4 Mix flour mixture into creamed mixture in 3 additions, alternating with buttermilk, until batter is smooth and slightly thick.
5. 5 Divide batter evenly among 4 bowls. Tint each portion of batter with green, blue, purple, or pink food coloring; stir until smooth. Pour batter into the prepared cake pans.
6. 6 Bake in the preheated oven until a toothpick inserted into the center of cakes comes out clean, about 25 minutes. Place the pans onto wire racks to cool completely, about 25 minutes.
7. 7 Make frosting: Beat butter and cream cheese in a stand mixer fitted with a clean paddle attachment until creamy, about 2 minutes. Add confectioners' sugar, heavy cream, and vanilla; beat on low speed for 30 to 60 seconds. Increase speed to high and beat frosting until fluffy, about 3 minutes. Scrape down the sides of the bowl as needed. Mix in salt.
8. 8 Cut a 4-inch circle out of the center of 2 cake layers using a round cookie cutter.
9. 9 Place one of the intact cake layers on a cake stand or serving plate. Use an offset spatula or butter knife to spread frosting over cake layer. Position one of the cake rings on top. Spread frosting over the top and inside the circle. Repeat with second cake ring. Fill the hole with candies and sprinkles. Place remaining intact cake layer on top. Frost the top and sides of entire cake.
10. 10 Tint any remaining frosting with pink food coloring and pipe decoratively over cake.
11. 11 Cut cake into slices; spoon any candies that spill out over the slices.

By Sally's Baking Addiction