Preheat oven to 350. Mix brownie ix, applesauce,two egg whites and water. Pour into 13x9 inch pan sprayed with cooking spray.
Mix cream cheese, sugar,flour and remaining egg white until well blended. Spoon over brownie batter. Cut through batter with knife several times for marble effects.
Bake 28 to 30 minutes or until toothpick comes out with fudgy crumbs attached. Cool in pan on wire rack and cut into 32 pieces.