Old Fashioned Walnut Sour Cream Cookies
["2/3 c. butter or margarine", "1 c. sugar", "2 eggs", "1 tsp. grated lemon rind", "1 tsp. grated orange rind", "1 Tbsp. lemon juice", "2 c. flour", "1 tsp. baking powder", "1/2 tsp. baking soda", "1/2 c. sour cream", "3/4 c. chopped walnuts", "walnut halves"]
["Cream butter and sugar.", "Add eggs, grated rind and lemon juice. Continue beating until light and fluffy.", "Sift dry ingredients together.", "Add to creamed mixture alternately with sour cream. Blend well.", "Stir in nuts.", "Drop by tablespoonfuls onto greased cookie sheet.", "Sprinkle with sugar and top with walnut halves. Bake at 350\u00b0 for 15 minutes.", "Makes 2 dozen."]
["butter", "sugar", "eggs", "lemon rind", "orange rind", "lemon juice", "flour", "baking powder", "baking soda", "sour cream", "walnuts", "walnut halves"]