Coleslaw Dressing(Tart) - cooking recipe

Ingredients

1 egg
5 Tbsp. vinegar
4 Tbsp. sugar
salt and pepper
butter
1/4 tsp. dry mustard

Preparation

To one well beaten egg, add vinegar and sugar.
Mix together and cook over low heat until thick.
Stir constantly as it burns easily.
Add a little salt and pepper and a dash of butter.
Dry mustard may be added.
Thin with cream, if needed.