2packages (2.2 oz each) Betty Crocker™ Candy Shop decors rainbow chips, if desired
Steps
1Heat oven to 350°F. Line two 15x10x1-inch pans with cooking parchment paper.
2In large bowl, beat eggs with electric mixer on high speed until thick and lemon-colored, about 6 minutes. Add cake mix, sour cream, water and oil. Beat on low speed 30 seconds, then on medium speed 1 minute.
3Divide batter into 6 small bowls, about 3/4 cup batter per bowl. Add red, orange, yellow, green, blue and purple gel food colors, one to each bowl; mix. Pour each colored batter into a decorating bag or resealable food-storage plastic bag, and cut one corner off each bag. For better control with cake batter, be sure to cut small opening on end of each resealable bag.
4Starting with purple batter, carefully squeeze a thin diagonal line of colored batter onto each pan; repeating with blue, green, yellow, orange and red to make a rainbow-striped pattern. Continue until all batter has been used and pans are equally filled. It’s ok to leave small spaces in between colors, as batter will fill in during baking.
5Bake 8 to 10 minutes or until top springs back when touched. Meanwhile, sprinkle powdered sugar over two clean kitchen towels. Remove cakes from oven. Run metal spatula around edges of pans; carefully turn one on to each kitchen towel. Peel away parchment paper. Immediately roll up cake and towel from narrow end. Allow cakes to cool 30 minutes.
6In medium bowl, mix frosting and whipped topping. Mix in Betty Crocker™ Candy Shop decors rainbow chips, if desired.
7Carefully unroll cakes; spread half of the filling over each cake. Roll cakes up into logs; refrigerate at least 1 hour before serving.
8Cut into slices to serve. Store covered in refrigerator.
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