1 pkg. size brownie mix
1/3 c. sugar
8 oz. pkg. cream cheese
1 egg
1/2 tsp. vanilla

Prepare brownie mix as directed. Combine cream cheese and sugar until well blended. Blend in egg and vanilla. Spread 1/2 brown batter into 9"x13" pan, cover with cream cheese mixture. Spoon on rest of batter, cut through for marble effect. Frost with chocolate chip frosting. Bake at 350 degrees for 35 to 40 minutes.