1 pkg. (2-layer size) yellow cake mix
1 pkg. (4-serving size) Lime Flavor Jell-o
1 pkg. (4-serving size) Lemon Flavor Jell-o
2 tubs (8 oz. each) Cool Whip Whipped topping, thawed

Heat oven to 350 Degrees F. Prepare cake mix as directed on package. Divide batter into two bowls. Add lime jell-o to one bowl, lemon to the other. Stir thoroughly. Pour each into separate wax-paper-lined, greased and floured 9-inch round cake pans. Bake 28-30 minutes, until toothpick inserted in center comes out clean. Cool 15 minutes; remove from pans. Cool on wire racks. Place lime cake layer on serving plate; spread with 1/2 tub whipped topping. Top with lemon cake layer. Frost cake with remaining whipped topping. Store in refrigerator until ready to serve.