Tie-Dye Rainbow Reveal Cake Recipe | Beth Klosterboer | Food Network

Ingredients

• Nonstick cooking spray
• One 15.25-ounce box dark chocolate cake mix
• One 3.5-ounce box chocolate pudding mix
• 1 1/2 cups milk
• 1 cup sour cream
• 1/2 cup vegetable oil
• 4 large eggs
• One 15.25-ounce box white cake mix
• One 3.5-ounce box white chocolate pudding mix
• 6 egg whites (180 grams liquid egg whites)
• Purple, royal blue, sky blue, green, yellow, orange and red food coloring
• 2 cups confectioners' sugar
• 1 cup shortening
• 1/4 cup heavy whipping cream
• 1 teaspoon pure vanilla extract
• One 13-ounce tub marshmallow creme, such as Fluff
• 3 ounces bright white candy melts, finely chopped
• 3 tablespoons heavy whipping cream
• 1 1/2 tablespoons corn syrup