Danish Sugar Cookies
["2 c. sifted flour", "3/4 tsp. baking powder", "1 tsp. cream of tartar", "1/4 tsp. salt", "1 c. powdered sugar", "1/2 c. firm butter", "1/2 c. vegetable shortening", "1 egg", "1 tsp. vanilla", "granulated sugar (for rolling)"]
["Sift dry ingredients into bowl.", "Cut in butter and shortening with pastry blender until mixture resembles coarse crumbs.", "Blend egg and vanilla; add to dry ingredients.", "Mix only until blended. Dough is fairly soft.", "Shape into 1-inch balls and roll in white sugar.", "Place 2 inches apart on ungreased cookie sheets.", "Flatten to 1/4-inch thickness with bottom of glass dipped in white sugar. Bake at 350\u00b0 for about 12 minutes or until delicately browned. Makes about 6 1/2 dozen cookies."]
["flour", "baking powder", "cream of tartar", "salt", "powdered sugar", "butter", "vegetable shortening", "egg", "vanilla", "sugar"]