Sour Cream Sugar Cookies
["1 c. shortening", "2 c. sugar", "2 eggs", "1 tsp. vanilla", "1 c. sour cream", "1/2 tsp. baking soda", "1/2 tsp. salt", "4 tsp. baking powder", "4 1/2 c. flour"]
["Cream together shortening and sugar.", "Add eggs, one at a time. Continue beating and add vanilla and sour cream.", "Sift together and add the soda, salt, baking powder and flour.", "Roll out on heavily floured board, rather thick.", "Bake at 350\u00b0 for 10 to 15 minutes."]
["shortening", "sugar", "eggs", "vanilla", "sour cream", "baking soda", "salt", "baking powder", "flour"]