CRUST:

1 1/2 c. flour
2/3 c. brown sugar
1/2 tsp. baking powder
1/2 tsp. salt
1/4 tsp. baking soda
1/2 c. butter, softened
1 tsp. vanilla
2 egg yolks
3 c. mini marshmallows

TOPPING:

2/3 c. corn syrup
1/4 c. butter
2 tsp. vanilla
12 oz. (2 c.) peanut butter chips
2 c. crisp rice cereal
2 c. peanuts

Heat oven to 350 degrees.

Combine all crust ingredients except marshmallows until crumb mixture forms. Press in bottom of 13"x9" ungreased pan. Bake for 12 to 15 minutes or until light golden brown.

Immediately sprinkle with marshmallows. Return to oven for 1 to 2 minutes. In saucepan heat corn syrup, butter, vanilla and peanut butter chips until melted and mixture is smooth. Stir in cereal and nuts. Spoon over marshmallows and spread.