Peanut Butter Cookies
["1 1/4 c. flour", "3/4 tsp. baking soda", "1/4 tsp. salt", "1/2 c. margarine", "1/2 c. peanut butter", "1/2 c. sugar", "1/2 c. packed brown sugar", "1 egg", "1/2 tsp. vanilla"]
["Stir together flour, soda and salt.", "In a mixing bowl, beat margarine.", "Add peanut butter and sugars.", "Beat until fluffy.", "Add egg and vanilla; beat well.", "Then add dry ingredients.", "Shape dough into balls and place on cookie sheet.", "Crisscross with tines of fork.", "Sprinkle with sugar, if desired.", "Bake at 375\u00b0 for 8 to 10 minutes."]
["flour", "baking soda", "salt", "margarine", "peanut butter", "sugar", "brown sugar", "egg", "vanilla"]