Caramel-Walnut Bars - cooking recipe

Ingredients

1 1/2 c. unsifted flour
1 tsp. baking powder
1/2 c. margarine, softened
1 c. sugar
2 egg yolks
2 Tbsp. milk
1 tsp. vanilla
2 egg whites
1 c. light brown sugar, packed
1 c. coarsely chopped walnuts

Preparation

Preheat oven to 350\u00b0.
Lightly grease 9 x 9 x 2-inch baking pan.