Old Timey Peanut Butter Cookies
["1 c. unsalted butter (not margarine)", "1/2 tsp. salt", "1 c. peanut butter", "1 c. granulated sugar", "1 c. brown sugar, firmly packed", "2 eggs, well beaten", "1 Tbsp. milk", "2 c. sifted plain flour", "1/2 tsp. soda"]
["One of the secrets of these cookies is the use of butter.", "Do not substitute.", "Combine butter, salt and peanut butter; mix well. Gradually add granulated sugar and brown sugar.", "Cream thoroughly after each addition.", "Add eggs, mixing well.", "Sift together the flour and soda; blend with the first mixture.", "Drop the dough by teaspoonfuls onto greased baking sheets.", "Or roll the dough into balls 3/4 to 1-inch in diameter.", "Place on baking sheets.", "Press lightly with fork to flatten.", "Bake at 325\u00b0 for 15 to 20 minutes. Makes 10 to 12 dozen cookies."]
["unsalted butter", "salt", "peanut butter", "sugar", "brown sugar", "eggs", "milk", "flour", "soda"]