nonstick cooking spray
1/2 c butter, softened
3/4 c sugar
2 eggs
3/4 c flour
1/4 c unsweetened cocoa powder
1 tsp vanilla
1/4 tsp baking powder
1/4 tsp salt
1/2 of a 10 1/2 oz (2 1/4 cups) tiny marshmallows
2 1/2 c semisweet chocolate pieces
1 c chunky peanut butter
1 1/2 c crisp rice cereal
1/2 c peanuts, coarsely chopped
Lightly coat a 13″x9″x2″ baking pan with cooking spray; set aside. In a lg mixing bowl, beat butter with an electric mixer on med speed for 30 seconds. Add the sugar, eggs, flour, cocoa powder, vanilla, baking powder, and salt. Beat until combine. Spread into prepared pan.
Bake in a 350 degree oven for 12 minutes or until surface is dry. Carefully sprinkle with marshmallows. Return to oven and bake 3 more minutes. Cool on a wire rack for 2 hours.
In a med saucepan, combine chocolate pieces and peanut butter; cook and stir over low heat until chocolate is melted. Remove from heat. Stir in cereal. Spread on top of bars. Sprinkle with peanuts. Chill at least 30 minutes. Cut into bars.