4 squares unsweetened chocolate
1/2 c butter
1/2 tsp. salt
2 3/4 c sugar
1 can evaporated milk

In a double boiler, melt butter and chocolate. Slowly add sugar. Add salt. Add milk. Stir well until blended. Refrigerate. To reheat: Spoon needed amount in coffee cup and heat in microwave for 1 minute.