Cooked Potato Salad Dressing - cooking recipe

Ingredients

1/2 tsp. salt
1 tsp. dry mustard
2 tsp. sugar
dash of pepper
2 Tbsp. flour
1 or 2 egg yolks
2 Tbsp. butter
3/4 c. milk
1/4 c. white vinegar

Preparation

In double boiler, combine salt, mustard, sugar, pepper and flour.
Stir in slowly a mixture of egg yolks, butter, milk and vinegar.
Cook until thick.
Cool.
Mix with cooked red potatoes and celery.
Makes 1 1/2 cups dressing.