Recipe by: Betty Crocker's Cookbook Heat oven to 400 degrees. Mix, sugar, margarine, egg, chocolate, buttermilk and vanilla. Stir in flour, baking soda, salt, nuts and chocolate chips. Drop dough by rounded teaspoonfuls about 2 inches apart into ungreased cookie sheet. Bake 8 to 10 minutes or until almost no indentation remains when touched; cool. Frost with Chocolate Frosting. ABOUT 4-1/2 DOZEN COOKIES; 110 CALORIES PER COOKIE. *If using self-rising flour, omit baking soda and salt. CHOCOLATE FROSTING Heat chocolate and margarine over low heat until melted. Remove from heat. Stir in water and powdered sugar until smooth. ----