Reese'S Chewy Chocolate Cookies
["2 c. flour", "3/4 c. Hershey's cocoa", "1 tsp. baking soda", "1/2 tsp. salt", "1 1/4 c. (2 1/2 sticks) margarine, softened", "2 c. sugar", "2 eggs", "2 tsp. vanilla extract", "1 2/3 c. (10 oz. pkg.) Reese's peanut butter chips"]
["Stir together flour, cocoa, baking soda and salt. In a large mixer bowl, beat butter and sugar until light and fluffy. Add eggs and vanilla. Beat well. Gradually add flour mixture, beating well. Stir in chips.", "Drop by rounded teaspoonfuls onto ungreased cookie sheet. Bake 8 to 9 minutes at 350\u00b0."]
["flour", "cocoa", "baking soda", "salt", "margarine", "sugar", "eggs", "vanilla extract", "butter chips"]