Line a 9x12-inch glass baking ... Melt chocolate and butter in the top of a ... center of the brownies may seem slightly underdone. Freeze ... 24 to 30 squares.
Grease bottom only of 10 ... large bowl, combine brownie mix, water, oil, egg and ... bowl, combine peanut butter, powdered sugar and vanilla; ... chilled. Makes 16 servings.