Fat-free hot fudge sauce

MMMMM----- Recipe via Meal-Master (tm) v8.01
  
       Title: Fat-Free Hot Fudge Sauce
  Categories: Diabetic, Sauces, Chocolate
       Yield: 4 servings
  
     3/4 c  Sugar;                              4 ts Cornstarch;
            (can be sugar subtitute)          1/2 c  Evaporated skim milk
     1/3 c  Cocoa;                              1 ts Vanilla
  
   In a small saucepan stir together the sugar, cocoa, cornstarch and
   evaporated skim milk. Cook and stir constantly until sauce is bubbly
   and thick. Cook and stir two minutes more. Remove from heat and stir
   in 1 tsp. vanilla. (For sugar-free sauce skip sugar at the start and
   stir in NutraSweet spoon on at the end with the vanilla.)
  
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