Ingredients
1
box (15.25 oz) Betty Crocker™ Super Moist™ Yellow Cake Mix (or your favorite flavor)
Water, vegetable oil and eggs called for on cake mix box
Betty Crocker™ assorted gel food colors, if desired
1
container Betty Crocker™ Whipped fluffy white frosting
Betty Crocker™ colored sugars, if desired
Preparation
Heat oven to 350°F (325°F for dark or nonstick pan). Grease bottom only of 13x9-inch pan. Make cake batter as directed on box. Pour into pan. Randomly place 6 drops of food colors over batter. Cut through batter with knife several times for marbled design.
Bake as directed on box for 13x9-inch pan. Cool completely, about 1 hour.
Spread frosting over cake. Sprinkle colored sugars on frosting to make rainbow design.