1/2 c. butter
3/4 c. sugar
2 eggs
1 tsp. vanilla
3/4 c. flour
1/2 c. chopped nuts
3 tbsp. cocoa
1/4 tsp. baking powder
2 c. marshmallows
1 c. chocolate chips
1 c. peanut butter
1 1/2 c. Rice Krispies