1 box yellow cake mix
1 (8 oz.) pkg. cream cheese, softened
1 stick butter, melted
1 box confectioners' sugar
4 eggs

Mix together cake mix, butter and 1 egg. Press into buttered dish 9 x 13 inch. Mix cream cheese, 3 eggs and powdered sugar. Pour over cake and bake at 325 degrees for 40-45 minutes.