PHILADELPHIA Marble Brownies Prep Time: 20 min. | Total Time: 1 hour | Makes: 32 servings. What You Need! 1 pkg. (19 to 21 oz.) brownie mix (13×9-inch pan size) 1 pkg. (8 oz.) PHILADELPHIA Cream Cheese, softened 1/3 cup sugar 1 egg 1/2 tsp. vanilla Make It! Heat oven to 350ºF. Prepare brownie batter as directed on package; spread into greased 13×9-inch pan. Beat cream cheese with mixer until creamy. Add sugar, egg and vanilla; mix well. Drop by tablespoonfuls over brownie batter; swirl with knife. Bake 35 to 40 min. or until cream cheese mixture is lightly browned. Cool completely before cutting to serve. Keep refrigerated. Note: For best results, do not use brownie mix with a syrup pouch.