For Simple Potato Salad:

• 2 pounds small yellow, red, or white potatoes
• 1 tablespoon apple cider, wine, or rice wine vinegar
• ½ cup sour cream
• ¼ cup mayonnaise
• 1 tablespoon yellow mustard
• ½ medium red onion, finely chopped
• 3 celery stalks, finely chopped
• 1 medium dill pickle, finely chopped
• 2 hard-boiled eggs, peeled and chopped (optional)
• ¼ cup chopped fresh herbs (like parsley, dill, chives, tarragon, or cilantro)
• Salt and fresh ground black pepper, to taste