Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      cup           Hellmann's real mayonnaise
     1/2  teaspoon      dry mustard
   2                    egg whites
     1/4  teaspoon      salt -- (optional)
   2      tablespoons   lemon juice

Preparation:

In small saucepan with wire whisk beat all ingredients until smooth. Stirring constantly , cook over medium-low heat until thick (do not boil). Serve over vegetables or fish.