Perfect Peanut Butter Cookies
["1/2 c. butter or margarine", "1/2 c. creamy or chunky peanut butter", "1/2 c. granulated sugar", "1/2 c. brown sugar, firmly packed", "1 large egg", "3/4 tsp. vanilla extract", "1 1/4 c. all-purpose flour", "3/4 tsp. baking soda", "1/4 tsp. salt"]
["Heat", "oven to 375\u00b0.", "In large bowl, with electric mixer on medium", "speed beat butter, peanut butter, granulated sugar and half", "of the brown sugar until light and fluffy.", "Add eggs and vanilla and beat in.", "In small bowl, combine flour, baking soda and", "salt.", "With", "mixer", "at", "low", "speed beat into butter mixture until blended.", "Sprinkle remaining brown sugar on top of", "dough and", "fold", "in", "lightly", "so sugar granules are still visible.", "Roll into", "balls", "and", "press out with fork to about 1/4-inch thick. Bake 5 to 8 minutes.", "Makes about 3 1/2 dozen cookies, 73 calories a cookie."]
["butter", "chunky peanut butter", "sugar", "brown sugar", "egg", "vanilla extract", "flour", "baking soda", "salt"]