Potato Salad Dressing - cooking recipe

Ingredients

1/2 c. milk
1/4 c. vinegar
4 Tbsp. butter
3/4 tsp. salt
1/4 tsp. dry mustard
1/3 c. sugar
1 egg
1 Tbsp. cornstarch
1/4 to 3/4 tsp. celery seed

Preparation

Combine milk, sugar, vinegar, eggs, butter, cornstarch, salt, celery seed and dry mustard in 1-quart glass bowl.
Microwave until thick.
Stir often.
Cool.
Add 1/4 cup salad dressing or more to your liking.
Add 1/4 cup chopped onion.
Thin with milk, if you wish.
Add to cooked, diced potatoes; chill.
This is enough for about 7 medium cooked potatoes and 3 hard-cooked eggs.