1 1/2 c. flour
2/3 c. brown sugar
1/2 tsp. baking powder
1/2 tsp. salt
1/2 c. butter
1/4 tsp. baking soda
1 tsp. vanilla
2 eggs
3 c. mini-marshmallows

Combine all crust ingredients except marshmallows on low speed until crumbly. Press in bottom of ungreased 9 x 13 inch pan. Bake at 350 degrees for 12-15 minutes. Then sprinkle with marshmallows. Return to oven for 1-2 minutes. Cool while preparing topping.

TOPPING:

12 oz. pkg. peanut butter chips
2 c. Rice Krispies
2 c. salted peanuts
2/3 c. corn syrup
1/4 c. butter
2 tsp. vanilla

In large saucepan, heat corn syrup, 1/4 cup butter, 2 teaspoons vanilla and peanut butter chips just until chips are melted and mixture is smooth. Remove from heat, stir in cereal and nuts. Immediately spoon warm topping over marshmallows and spread to cover. Refrigerate until firm.