1 pkg. Duncan Hines deluxe lemon supreme cake mix
1 pkg. lime Jello
Dissolve Jello in 3/4 cup boiling water. Add 1/2 cup cold water. Set aside at room temperature.
Mix and bake cake as directed on package, using a 9"x13" greased pan. Cool cake 20 to 25 minutes. Punch holes into cake with a meat fork about 1" apart.
Pour Jello mix into holes and over cake. Refrigerate until thoroughly chilled.
TOPPING: In chilled bowl, blend 1 package instant lemon pudding, 2 cups Cool Whip and 1 cup cold milk. Beat until stiff, 5 to 8 minutes. Cover the cake with topping and refrigerate.