8 oz. cream cheese
1/2 c. sugar
1 egg
1 tsp. vanilla
1 pkg. deluxe brownie mix

Make brownies according to box directions. Mix rest with fork. Put batter into 9 x 13 x 2 inch baking pan. Spread topping over and cut through with knife to marbelize. Bake at 350 degrees for 25-30 minutes.