1/2 lb. butter
1 c. confectioners' sugar
1 egg yolk
2 c. flour
1/2 tsp. baking powder
1 1/2 tsp. vanilla or almond extract
1/2 c. crushed walnuts

Cream together the butter, sugar and egg yolk. Mix the flour and baking powder. Stir together the creamed and dry ingredients. Add in the vanilla and walnuts. Dough should be moldable. Shape into balls or crescents. Bake at 350 degrees for 10 to 12 minutes. Roll in confectioners' sugar.