Potato Salad - cooking recipe

Ingredients

4 medium potatoes
4 hard-cooked eggs
1 onion (optional)
1 c. mayonnaise
1 tsp. sugar
2 Tbsp. mustard
1/8 c. milk
2 tsp. salt
2 Tbsp. vinegar

Preparation

Boil potatoes in jackets; cool.
Put potatoes, eggs, onions, etc. in bowl.
Put other ingredients in bowl and beat until smooth.
Pour over potatoes and eggs.
Mix.
Chill 4 hours.