Peanut Butter Cookies
["1 1/4 c. all-purpose flour", "3/4 tsp. baking soda", "1/4 tsp. salt", "1/2 c. butter or margarine", "1/2 c. peanut butter", "1/2 c. granulated sugar", "1/2 c. packed brown sugar", "1 egg", "1/2 tsp. vanilla"]
["Stir together flour, soda and salt.", "In a mixer bowl, beat butter for 30 seconds.", "Add peanut butter and sugars; beat until fluffy.", "Add egg and vanilla; beat well.", "Add dry ingredients to beaten mixture; beat until well blended.", "Shape dough into 1-inch balls.", "Roll in granulated sugar, if desired.", "Place 2 inches apart on ungreased cookie sheet.", "Crisscross with the tines of a fork.", "Bake in 375\u00b0 oven for 10 minutes.", "Cool for one minute before removing to wire rack.", "Makes 48."]
["flour", "baking soda", "salt", "butter", "peanut butter", "sugar", "brown sugar", "egg", "vanilla"]