1 stick butter, room temperature
1 box yellow cake mix
4 eggs
1 (8 oz.) pkg. cream cheese
1 tsp. vanilla
1 lb. powdered sugar

Combine butter and cake mix and blend like pie dough, add 2 eggs and mix thoroughly. Spread in greased and floured 9 x 13 inch pan. Lightly cream cheese and add powdered sugar and blend. Beat 2 eggs; add beaten eggs and vanilla to cheese and sugar mixture. Press over dough in pan. Bake at 350 degrees for 35-40 minutes. Sprinkle with powdered sugar if desired.