Ingredients
1 1/2 cups unsifted all purpose flour
1 teaspoon baking powder
1/2 cup butter or margarine, softened
1 cup granulated sugar
2 egg yolks
2 tablespoons milk
1 teaspoon vanilla extract
2 egg whites
1 cup light brown sugar, packed
1 cup coarsely chopped walnuts
Preparation
Pre heat oven to 350 degrees. Lightly grease 9 by 9 by 2 inch baking pan
Sift flour with baking powder. In medium bowl, with electric mixer at medium speed, cream butter with granulated sugar and egg whites, until light and fluffy.
At low speed beat in flour mixture, along with milk and vanilla, just until combined. Turn into prepared pan, spreading evenly. Bake 20 minutes.
In small bowl, beat egg whites, just until stiff. Gradually beat in brown sugar, then stir in nuts. Spread evenly on top of warm crust. Bake 20 minutes, longer, until puffed and lightly browned.
Cut into 16 bars while still warm. Let cool completely in pan on wire rack.
