Salad Dressing - cooking recipe

Ingredients

1 c. sugar
1 tsp. salt
2 eggs
1/2 c. vinegar
1 tsp. mustard
1 tsp. flour (heaping)
1/2 c. water
butter size of a walnut (optional)

Preparation

Put first 7 ingredients in double boiler.
Cook until thick, then add butter.
Very good for potato salad.