Peanut Butter Brownies

1 pkgfudge brownie mix
1/2 cupButter, stick
1/2 cupPeanut Butter
2 cupsSugar, powdered
2 tspMilk
1 cupChocolate Chips
1/4 cupButter, stick

Serves: 36 people

Preheat oven 350F. Coat bottom only of 13"x9" with cooking spray. Make brownies as directed on package mix using water, oil and eggs. Bake as directed for 13"x9" pan. Cool completely, about 1 hour. On medium, beat together 1/2 cup butter (at room temperature), peanut butter, pwd sugar, and milk, until smooth. Spread over brownie. In small micorwave-safe bowl, microwave semisweet chocolate chips and 1/4 cup butter (at room temperature) on high 30-60 seconds; stir until smooth. Cool 10 minutes; spread over filling. Refrigerate until set, about 30 minutes.