Ingredients
1
box (16 oz) Betty Crocker™ Supreme original brownie mix
1/3
cup vegetable oil
1
egg
3
tablespoons stout beer
1 1/4
cups Betty Crocker™ Whipped vanilla frosting (from 12-oz container)
Preparation
Heat oven to 350°F (325°F for dark or nonstick pan). Grease bottom of 8- or 9-inch square pan with shortening or cooking spray. In medium bowl, stir all ingredients except frosting until well blended. Spread in pan.
Bake 8-inch pan 35 to 38 minutes, 9-inch pan 28 to 31 minutes, or until toothpick inserted 2 inches from side of pan comes out almost clean. Cool completely on cooling rack, about 1 1/2 hours.
Spread frosting evenly over brownies. Cut into 4 rows by 4 rows.