Peanut Butter Brownies

Steps

• 1

  Heat oven to 325°F. Grease bottom only of 13x9-inch pan with shortening or cooking spray. Make brownie batter as directed on box. Spread three-fourths of brownie batter in pan. Set remaining batter aside.
• 2

  In small bowl, mix brown sugar, 1/2 cup crunchy peanut butter and 1 egg. Spoon peanut butter mixture by tablespoonfuls evenly onto brownie batter. Top with random tablespoonfuls of remaining brownie batter. Cut through batter several times with knife for marbled design.
• 3

  Bake 33 to 38 minutes or until toothpick inserted 2 inches from side of pan comes out clean or almost clean. Cool completely, about 1 1/2 hours.
• 4

  In medium bowl, mix Peanut Butter Frosting ingredients, using spoon, until smooth and spreadable. Spread frosting over brownies. For brownies, cut into 6 rows by 5 rows. Store tightly covered.