Candy-Filled Rainbow Birthday Cake

Steps

• 1

  Preheat oven to 350 degrees (or according to package directions).
• 2

  Spray 4 –9-in. round cake pans with cooking spray (or spray 2 cake pans, then respray prior to baking the second batch of cakes). 
• 3

  Mix both cake mixes according to package directions in one large bowl. Then evenly divide batter between four small bowls. 
• 4

  Add five drops of one food coloring to one small bowl. Stir until you have your desired color. Continue the process with all four colors. Tip: To ensure rich color after baking, use extra food coloring. 
• 5

  Pour batter into individual cake pans. Then, bake cakes according to box instructions. 
• 6

  Remove cakes from oven and let cool.  
• 7

  If using 2 cake pans at a time, remove cakes to cool then wash cake pans, spray and refill. 
• 8

  Once cooled, remove cakes from cake pans and trim the dome off the top of each cake to level using a long serrated knife. 
• 9

  Using a small, round cookie cutter or can, cut a hole in the middle of the green and yellow cakes. 
• 10

  Place the blue cake on a plate or cake stand. Frost the top of the blue cake with vanilla frosting. 
• 11

  Place the green, donut-shaped cake on top of the blue cake and cover with frosting. Repeat with the yellow cake.  
• 12

  Before adding the pink cake, fill the center of the constructed cake with small candy. Once the hole is filled, top with the pink cake. 
• 13

  Ice the entire cake with remaining frosting.  
• 14

  Top cake with assorted sprinkles and lollipops. Enjoy!