1 box yellow cake mix
1 tsp. vanilla
1 (1 lb.) box powdered sugar
1 stick (1/2 c.) butter
4 eggs, divided
1 (8 oz.) pkg. cream cheese

Grease and flour a 9 x 13 inch pan. Mix cake mix, butter, vanilla and 1 egg. Press dough in pan. Mix sugar, cream cheese and 3 eggs. Beat 5 minutes and pour over dough. Bake at 300 degrees for 1 hour. Sprinkle with powdered sugar.