FILLING:

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

BASE:

1 pkg. Pillsbury Plus devil's food cake mix
3 eggs
1/3 c. oil
1 c. water

Heat oven to 350 degrees. Grease and flour 13"x9" pan. Blend all filling ingredients; beat at highest speed until smooth. Set aside. Blend cake mix, eggs, oil and water until moistened. Beat 2 minutes. Pour 1/2 of batter into pan. Pour filling over batter, spreading to cover. Pour remaining batter over cream cheese mixture. Bake at 350 degrees for 45 to 55 minutes. Cool completely. Frost with fudge frosting.