Waldorf potato salad

Ingredients

1½ pounds small red potatoes
5 tablespoons cider vinegar
3 tablespoons sugar
1 small onion, chopped
1 teaspoon salt
Pepper to taste
1 tablespoon sour cream or yogurt
3 tablespoons mayonnaise
2 celery stalks, peeled and diced
3/4 pound ham, diced
1/4 cup walnut pieces
2 Granny Smith apples, cored and diced

Directions

Boil potatoes until tender, about half an hour; drain and halve. In a small saucepan, heat cider vinegar and sugar until sugar dissolves. Toss with the hot potatoes along with chopped onion, salt and pepper to taste, sour cream or yogurt and mayonnaise, celery, peeled and diced and ham and apples.

Serves 4.