Melt over hot water ½ lb. Sweet cooking chocolate or a 7-oz. Package chocolate pieces. Add 1 cup strong hot coffee. Stir well and cook over low heat 1 minute. Scald 6 cups milk (1 ½ qt.). Add to chocolate. Simmer until very hot. Beat with rotary beater until frothy on top. Set over hot water 10 minutes to blend flavors. Just before serving, beat again with rotary beater. 8 servings.