Classic Potato Salad

Ingredients

• 3 pounds Yukon Gold potatoes
• 4 large hard-cooked eggs
• 2 ribs celery (finely chopped)
• 1/4 cup red onion (chopped)
• 2 medium dill pickles (finely diced, plus a splash of pickle juice)
• 1 cup mayonnaise
• 1/4 cup buttermilk
• 2 tablespoons yellow mustard ((or half yellow and half Dijon))
• Salt (to taste)
• Freshly ground black pepper (to taste)