1 c. sugar
1/2 c. butter
1 whole egg plus 2 egg yolks (save whites)
1 1/2 c. flour
1/2 tsp. baking powder
1/2 tsp. salt
1 1/4 c. miniature marshmallows
1/2 c. chopped nuts
1/2 c. chocolate chips

Sprinkle marshmallows and nuts on top. Gently press down. Sprinkle on chocolate chips.

Topping:

2 egg whites
1 c. brown sugar, pressed

Beat egg whites until stiff. Add brown sugar, beating until sugar is dissolved. Spread over bars and bake at 350°F for 20 to 25 minutes.