Walnut Refrigerator Cookies
["3 1/4 c. flour, sifted", "1 tsp. baking powder", "1/4 tsp. baking soda", "1 tsp. salt", "2/3 c. sugar", "1 c. brown sugar", "1 1/4 c. shortening", "2 eggs", "1 1/2 tsp. vanilla", "1 c. walnuts, chopped fine"]
["Sift first four ingredients together.", "Cream shortening and both sugars together until fluffy.", "Add eggs and vanilla; beat 1 minute at high speed.", "At low speed, add nuts and then dry mixture; mix until well blended.", "Press and shape dough into 3 loaves, 2-inches square and 5-inches long; wrap in Saran and chill at least 4 hours.", "(Keeps 2 weeks in refrigerator)."]
["flour", "baking powder", "baking soda", "salt", "sugar", "brown sugar", "shortening", "eggs", "vanilla", "walnuts"]