Rainbow Cake - cooking recipe

Ingredients

1 white cake mix
1 (3 oz.) pkg. Jell-O flavor gelatin
1 c. boiling water
1/2 c. cold water
2 c. Cool Whip

Preparation

Prepare cake mix as directed on package, baking in well-greased and floured 13 x 9-inch pan.
Cool cake in pan 15 minutes; then prick with utility fork.