Brownies with peanut butter Fudge Frosting

This is sooo good! but it is sooooo rich, so make sure you have big glass of ice cold milk to wash it down.
Brownies with peanut butter Fudge Frosting
Ingredients
1 mixture of Girl Scout package (19.8 ounces)
Chips 1 cup peanut butter
1/2 cup butter
1 (14 ounce) can sweetened condensed milk
preparation
The brownies and walnuts Bake according to package directions. Let cool in the pan. not cut.
In a medium saucepan over low heat, melt peanut butter chips and butter together, stirring frequently until smooth. Remove from heat and stir in sweetened condensed milk. Spread evenly over the cooled brownies and nuts. cool to the game and cut into squares.