Peanut Butter Cookies
["1/2 c. butter", "1/2 c. peanut butter", "1/2 c. granulated sugar", "1/2 c. brown sugar", "1 egg", "1/2 tsp. vanilla", "1 1/4 c. flour", "3/4 tsp. baking soda"]
["Thoroughly cream butter, peanut butter, sugars, egg and vanilla.", "Sift together dry ingredients, blend into creamed mixture.", "Shape in 1-inch ball.", "Criss-cross with fork.", "Bake at 375\u00b0 for 10 to 12 minutes."]
["butter", "peanut butter", "sugar", "brown sugar", "egg", "vanilla", "flour", "baking soda"]