Classic American-Style Potato Salad

Ingredients

• ✓ 2 pounds red boiling potatoes, scrubbed
• ✓ 2 tablespoons red wine vinegar
• ✓ ½ teaspoon salt
• ✓ ½ teaspoon freshly ground black pepper
• ✓ 3 hard-cooked eggs
• ✓ 1 small celery stalk
• ✓ ¼ cup chopped sweet pickle (not relish)
• ✓ 3 scallions
• ✓ 2 tablespoons chopped fresh parsley
• ✓ ½ cup mayonnaise
• ✓ 2 tablespoons Dijon-style mustard