Submitted by Jennifer Belleville
Ingredients:
Prepare Brownie mix as directed on package using a 9 by 13 inch pan. Bake at 325. Slightly underbake by a minute or two. Sprinkle baked brownies with marshmallows. Return to oven for an additional 5 minutes. Cool in pan on wire rack.
In saucepan, combine chocolate chips, peanut butter, and butter. Heat slowly and stir until melted. Remove from heat and stir in Rice Crispies. Pour chocolate mixture over marshmallows. Refrigerate till topping is set. Cut into bars. Serve at room temperature.