Sugar Cookies
["1 c. butter", "1 c. oil", "1 c. powdered sugar", "1 c. white sugar", "2 eggs, beaten", "1 tsp. soda", "1 tsp. cream of tartar", "1 tsp. salt", "4 1/2 c. flour", "2 tsp. vanilla"]
["Blend until creamy.", "Chill.", "Form into balls.", "Roll in sugar and flatten.", "Bake at 350\u00b0 for 12 to 15 minutes."]
["butter", "oil", "powdered sugar", "white sugar", "eggs", "soda", "cream of tartar", "salt", "flour", "vanilla"]