World'S Best Sugar Cookies
["1 c. powdered sugar", "1 c. white sugar", "1 c. butter", "2 eggs", "2 tsp. vanilla", "1 c. cooking oil", "1 tsp. salt", "1 tsp. baking soda", "5 c. flour", "1 tsp. cream of tartar"]
["Mix sugars, butter, oil, eggs and vanilla in mixing bowl. Combine dry ingredients; flour, salt, baking soda and cream of tartar.", "Mix well.", "Roll into small balls and place on ungreased cookie sheet.", "Press each cookie with a glass dipped in white sugar.", "Bake at 350\u00b0 for 15 minutes."]
["powdered sugar", "white sugar", "butter", "eggs", "vanilla", "cooking oil", "salt", "baking soda", "flour", "cream of tartar"]