Instructions: Try it.

Preheat oven to 350 F,Grease 13 by 9 inch metal baking ban.Line pan with foil; grease foil.In large bowl,with mixer at low speed,beat brown sugar,peanut butter, sugar,an margarine or butter until blended.Increase speed to high;beat until creamy At low speed,beat in flour,baking powder,vanilla,and eggs until well blended,constantly scraping bowl with rubber spatula.with hands,press dough onto bottom of pan.Bake 20 minutes.Sprinkle marshmallows,peanuts and chocolate pieces over top;bake 5 minutes longer or until golden.Cool completely in pan on wire rack.When cool,transfer with foil to cutting board.Cut lenghthwise into 4 strips then cut each strip crosswise into 6 pieces

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