Hot Fudge Sauce
["2 (1 oz.) sq. unsweetened baking chocolate", "1 c. sugar", "1 tsp. vanilla", "1/2 c. evaporated milk"]
["Combine all ingredients in top of double boiler.", "Cook over medium-high heat; beat until sauce thickens, time will vary, about 15 minutes.", "The longer cooked the thicker the sauce."]
["unsweetened baking chocolate", "sugar", "vanilla", "milk"]