Instructions

  1. Dissolve jello by stirring it into 3/4 cup boiling water, then add 1/2 cup cold water; set aside at room temperature.
  2. Mix cake according to package directions and bake in a 9x13" pan.
  3. Cool baked cake for 30 minutes, then poke deep holes about 1" apart into cake with a meat fork or a chopstick; very slowly pour all the jello into the holes.
  4. Refrigerate cake; blend cool whip, instant pudding, milk, and vanilla until stiff; frost cake and return to refrigerator.
  5. Cover cake and (freeze at this point, or) keep refrigerated; serve chilled.