Shortbread Cookies
["2 c. butter or margarine, softened", "2 c. confectioners sugar", "2 tsp. vanilla", "1/2 tsp. salt", "4 1/2 c. flour", "1/2 c. ground walnuts"]
["In bowl cream sugar and butter.", "Beat in vanilla and salt. Gradually stir by hand the flour until well blended.", "Stir in walnuts.", "Dough will be stiff.", "Shape in 1-inch balls.", "Place 2 inches apart on ungreased cookie sheet.", "Flatten with a fork to 1 1/2-inch round.", "Bake for 15 minutes or until light golden in a 350\u00b0 oven.", "While cookies are still warm, sprinkle with confectioners sugar."]
["butter", "confectioners sugar", "vanilla", "salt", "flour", "ground walnuts"]