1 1/2 c. flour
1/2 t. baking powder
1/4 t. baking soda
1/2 c. sugar
1/2 c. butter
2/3 c. brown sugar, packed
2 eggs
1/2 t. salt
Mix together, pat into 10 x 15 inch pan. Bake 12-15 minutes at 350. Sprinkle 4 cups of miniature marshmallows on top and return to oven until puffy. Cool. Heat Karo, butter, chips and vanilla until blended. Stir in Rice Krispies and peanuts. Spread evenly on top. Cut when cool.
Topping:
2/3 c. Karo
1/2 c. butter
12 oz. pkg. peanut butter chips
2 t. vanilla
2 c. Rice Krispies
2 c. salted peanuts