1 pkg. Duncan Hines cake mix
1 1/2 lbs. ricotta cheese
3/4 c. sugar
3 eggs
1 tsp. vanilla

Mix cake as directed on package. Pour into 9'x13" pan. Mix remaining ingredients and spoon this over the uncooked batter evenly. Bake at 350 degrees for 1 hour. When cool dust with powdered sugar. Refrigerate.