1 pkg. yellow cake mix
1 stick butter
2 eggs
8 oz. cream cheese
1 lb. powdered sugar
2 eggs
1 tsp. vanilla

Preheat oven to 350 degrees. Mix cake mix, butter and eggs together. Spread into a greased 13 x 9 inch pan. Mix cream cheese, powdered sugar, eggs and vanilla. Pour over top of batter mixture. Bake at 350 degrees for 35 to 40 minutes.