Brownie Layer:
3/4 c. butter or margarine, softened
1 1/2 c. sugar
3 eggs
1 tsp. vanilla
1 1/3 c. flour
1/2 tsp. baking powder
1/2 tsp. salt
3 TBS. cocoa powder
1/2 c. chopped nuts, optional
4 c. mini marshmallows
Topping:
1 1/3 c. chocolate chips
3 TBS. butter
1 c. peanut butter
2 c. Rice Krispies cereal
Cream butter and sugar together thoroughly. Add eggs and vanilla; beat
until fluffy. Combine flour, baking powder, salt and cocoa; add to
creamed mixture. Fold in nuts. Spread in greased 11x17 pan.
Bake at 350° for 15-18 minutes. Immediately sprinkle marshmallows
evenly over top. Return to oven for 2 minutes to slightly melt. Use
knife to spread evenly. Cool.
Combine chocolate chips, butter and peanut butter in saucepan. Stir
constantly over low heat until melted. Remove from heat and stir in
Rice Krispies. Spread over top of bars.