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

Combine flour, brown sugar, baking powder, salt, baking soda, 1/2 softened butter, 1 teaspoon vanilla, and 2 egg yolks in a 13 x 9 inch pan, ungreased. Bake at 350 degrees for 12 to 15 minutes. Put marshmallows on baked crust in oven until marshmallows begin to puff; cool.

Heat in saucepan the corn syrup, 1/4 cup butter, 2 teaspoons vanilla, and the peanut butter chips until chips are melted. Stir in Rice Krispies and peanuts. Spoon sauce over top the marshmallows. Chill and cut into bars.