Dissolve 1 package lemon Jello in 1 cup boiling water. Let cool, add to 3 eggs. Beat with 3/4 cup oil. Beat into yellow or white cake and mix. Put in 9x13 inch pan and bake to cake mix specifications. Remove from oven and poke full of holes with fork and pour following over. Juice of 1/2 lemon and 1 cup powdered sugar while hot.