Peanut Butter Cookies
["1 c. butter, softened", "1 c. peanut butter", "1 c. granulated sugar", "1 c. light brown sugar", "2 c. flour", "1/2 tsp. salt", "1 1/2 tsp. soda", "1/4 tsp. baking powder"]
["Beat eggs well.", "Sift together flour, salt, soda and baking powder with the preceding ingredients.", "Mix well and smooth.", "Roll into small balls, the size of marbles.", "Place on cookie sheet 2-inches apart.", "Press down on top of cookies with a fork.", "Bake at 350\u00b0 until light golden brown, about 15 minutes."]
["butter", "peanut butter", "sugar", "light brown sugar", "flour", "salt", "soda", "baking powder"]