Peanut Butter Cookies
["1/2 c. butter or margarine", "1/2 c. peanut butter", "1/2 c. white sugar", "1/2 c. brown sugar", "1 egg, well beaten", "1 1/4 c. flour", "3 tsp. soda", "1/2 tsp. baking powder", "1/4 tsp. salt"]
["Cream butter and peanut butter together.", "Add sugar gradually and cream thoroughly.", "Add well beaten egg to creamed mixture. Sift flour, soda, baking powder and salt together and add to creamed mixture.", "Chill dough well, then form into balls the size of a walnut.", "Place balls on lightly greased baking sheet. Flatten with fork dipped in flour, making a crisscross pattern. Bake 10 to 12 minutes in a 375\u00b0 oven.", "Makes 4 dozen cookies."]
["butter", "peanut butter", "white sugar", "brown sugar", "egg", "flour", "soda", "baking powder", "salt"]