Butterscotch Squares - cooking recipe

Ingredients

1/4 c. butter or margarine
1 c. light brown sugar
2 egg yolks, slightly beaten
1 1/2 c. all-purpose flour
2 tsp. baking powder
1/2 tsp. vanilla

Preparation

Cream butter and sugar together.
Add egg yolks and vanilla and blend.
Stir in baking powder and flour.
When evenly crumbled pat lightly into a greased and floured 9 x 9-inch pan.
Sprinkle 1 cup of finely chopped walnuts over the crumbly mix.