1 (2 layer) pkg. white cake mix
1 (3 oz.) pkg. Jelly, any flavor
1 c. boiling water
1/2 c. cold water
Cool Whip

Bake cake according to box directions. Cool 15 minutes in pan. Dissolve gelatin in boiling water and add cold water. Poke cake with fork at 1/2 inch intervals. Spoon gelatin mixture over cake in pan until all is absorbed. Chill 3-4 hours. Top with Cool Whip.