1 egg, room temperature
1 stick butter, soft or melted
1 box lemon (or orange) cake mix
8 oz. cream cheese
2 eggs
1 box powdered sugar

Mix room temperature egg, butter and cake mix and spread in a 9 x 13 inch pan. (It will be stiff so pat in pan with your hand.)

Mix separately: cream cheese, 2 eggs and powdered sugar (save 2 tablespoons powdered sugar). Spread this over the cake mix layer. Bake at 350 degrees for 35 minutes. Sprinkle the 2 tablespoons powdered sugar over top while warm.