Homemade Potato Salad Dressing - cooking recipe

Ingredients

1/2 c. brown vinegar
1/2 c. water
1 egg
1 scant c. white sugar
1 heaping Tbsp. cornstarch
1/2 tsp. salt
diced cooked potatoes
4 boiled eggs, chopped
celery seed to taste
chopped onion to taste

Preparation

Mix egg and sugar together in small saucepan.
In a one cup measuring cup combine cold water, vinegar and cornstarch.
Mix until cornstarch is dissolved.
Add remaining ingredients and cook, stirring constantly, until thickened.
Add 1 teaspoon margarine and 1 teaspoon mustard.