2 squares unsweetened chocolate
1/3 c. butter
2/3 c. flour
1/4 tsp. salt
1 tsp. vanilla
1/2 tsp. baking powder
2 eggs
1 c. sugar
1/2 c. chopped nuts; optional

Melt chocolate with butter. Mix flour, salt, and powdered sugar. Beat eggs and sugar thoroughly. Add chocolate mix. Add flour mix. Turn into an 8 inch square pan. Bake at 350 degrees for 25 minutes. While brownies are warm spread 3/4 cup peanut butter on top. Then 1 cup marshmallows. Pour on icing.

ICING:

1/2 square or chocolate
1/4 stick butter
1 1/2 c. confectionery sugar
1 tsp. vanilla
2 tbsp. milk

Melt chocolate and butter. Add remaining ingredients.