Vanishing Oatmeal Raisin Cookies
["1 c. butter, softened", "1 c. firmly packed brown sugar", "1/2 c. granulated sugar", "2 eggs", "1 tsp. vanilla", "1 1/2 c. flour", "1 tsp. baking soda", "1 tsp. ground cinnamon", "1/2 tsp. salt (optional)", "3 c. oats (quick or old fashioned), uncooked", "1 c. raisins"]
["Heat oven to 350\u00b0.", "Beat butter and sugars until creamy; add eggs and vanilla and beat well.", "Combine flour, baking soda, cinnamon and salt.", "Add to butter mixture, mixing well.", "Stir in oats and raisins.", "Drop by rounded tablespoonfuls onto ungreased cookie sheet.", "Bake at 350\u00b0 for 10 to 12 minutes."]
["butter", "brown sugar", "sugar", "eggs", "vanilla", "flour", "baking soda", "ground cinnamon", "salt", "oats", "raisins"]