Water, vegetable oil and egg called for on brownie mix box
1 pouch (1 lb 1.5 oz) Betty Crocker® chocolate chip cookie mix
1/2 cup butter or margarine, softened
1. 1 Heat oven to 350ºF (325ºF for dark or nonstick pan). Spray bottom only of 13x9-inch pan with cooking spray, or grease with shortening. Make brownie mix as directed on box. Spread in pan.
2. 2 Make cookie mix as directed on pouch, using butter and 1 egg. Drop dough by rounded tablespoonfuls evenly onto brownie batter; press down lightly.
3. 3 Bake 42 to 47 minutes or until toothpick inserted 2 inches from side of pan comes out almost clean. Cool on cooling rack 30 minutes.