World'S Greatest Cookies
["1 c. butter", "1 c. peanut butter", "1 c. white sugar", "1 c. brown sugar, firmly packed", "2 eggs", "2 c. flour", "1 tsp. soda", "1 (6 oz.) pkg. chocolate chips"]
["Cream butter and peanut butter together.", "Gradually add the white and brown sugars.", "Cream until blended.", "Add eggs, one at a time, and beat until smooth.", "Sift flour, measure and then sift again with soda into the mixture.", "Stir in chocolate chips.", "Drop from a teaspoon onto a greased baking sheet.", "Then slightly flatten cookie dough with the back of spoon. Bake in moderately slow oven at 325\u00b0 for 15 minutes.", "Makes 6 dozen."]
["butter", "peanut butter", "white sugar", "brown sugar", "eggs", "flour", "soda", "chocolate chips"]