FILLING:

8 oz. softened cream cheese
2 tbsp. butter
1/4 c. sugar
1 tbsp. cornstarch
1 egg
2 tbsp. milk
1/2 tsp. vanilla

BASE:

1 pkg. Devils food cake mix
3 eggs
1/3 c. oil
1 c. water

Heat oven to 350 degrees. Grease and flour 13 x 9 inch pan. In small bowl blend all filling ingredients until smooth and creamy. In large bowl blend all base ingredients. Beat on high speed for 2 minutes. Pour half of batter in pan. Pour filling over batter and top with remaining batter. Bake at 45-50 minutes. Cool and frost with Fudge Frosting.