1 stick butter
1 yellow cake mix
3 eggs
1 (8 oz.) pkg. cream cheese
1 box powdered sugar
1 tsp. vanilla

Grease 11 x 9 inch pan. Stir together butter, cake mix, and 1 egg until thick. Press into pan. Beat with mixer, 2 eggs (one at a time) into cream cheese. Then beat in sugar and vanilla. Pour over cake layer. Bake at 350 degrees for 30 to 40 minutes.