6 medium unpeeled round red or Yukon Gold potatoes (2 lbs)
1-½ cups mayonnaise or salad dressing
1 Tablespoon white or cider vinegar
1 Tablespoon MeatMan’s Irish Mustard (we like more!)
1 teaspoon salt
¼ teaspoon pepper
2 medium stalks celery, chopped (1 cup)
1 medium onion, chopped (½ cup)
4 hard-cooked eggs, chopped