13 x 9 White cake, baked
1 pkg. jell-o, and flavor
1 c. hot water
1 pkg. instant vanilla pudding

While your cake is still hot, use a fork and poke holes all over the top. Let cool. Mix jell-o with 1 c. hot water. Stir to dissolve completely. Pour over cake into holes. Refrigerate for 3 to 4 hours. Mix pudding according to package and pour over top of cake. Refrigerate.