Peanut Butter Frosting

Peanut Butter Frosting

    6 Tbsp butter
    1 cup  brown sugar; dark, packed
  2/3 cup  peanut butter
  1/4 cup  milk
  2/3 cup  peanuts; chopped

Cream Butter, sugar, and peanut butter.  Add milk and stir well.  Add nuts.
Spread over warm cake.  Place frosted cake under broiler about 4-inches from 
heat source.  Broil just a few seconds, or until topping starts to bubble.  DO
NOT scorch!  Let cool at least 30 minutes before serving.

Source:

rec.food.cooking,rec.food.baking