Start with your favorite brownie recipe in a 9x15" pan.
Peanut Butter Frosting:
1 c. peanut butter
3 T. butter
16 oz. (1 lb. or 4 cups) powdered sugar
1/4 c. milk
Mix peanut butter and butter thoroughly in mixer, until combined. Add 2 c. of powdered sugar and 2 T. of the milk and mix until smooth. Add remaining powdered sugar and the milk a tablespoon at a time until mixture is spreading consistency. Spread over cooled brownies and chill for 30 minutes.
In a small saucepan, heat 1 cup of cream until boiling. Remove from heat. Pour in 8 oz. semisweet chocolate chips. Do NOT stir. Let sit for 5 minutes. Whisk mixture until smooth and shiny. Let cool for 20 minutes. Stir and pour evenly over chilled brownies. Til pan to even out glaze. Let set in fridge before cutting and serving brownies.