Step 1

Heat oven to 350°F.

Step 2

Line 9-inch square pan with foil, with ends of foil extending over sides. Spray with cooking spray.

Step 3

Prepare brownie batter as directed on package; pour into prepared pan.

Step 4

Mix cream cheese, sugar and egg in medium bowl until blended. Add remaining ingredients; mix well. Drop in spoonfuls over brownie batter; swirl gently with knife.

Step 5

Bake 25 to 30 min. or until toothpick inserted in center comes out with fudgy crumbs. (Do not overbake.) Cool completely. Use foil handles to lift brownie from pan before cutting to serve.