Old-Fashioned Potato Salad - Jaime Shrayber

Ingredients

• 3 pounds small red potatoes
• kosher salt
• 1 cup mayonnaise
• 1/4 cup buttermilk, milk, or white wine
• 2 tablespoons Dijon mustard
• 2 tablespoons whole-grain mustard
• 1/2 cup fresh dill, chopped
• black pepper
• 1/2 cup celery, diced
• 1/2 cup red onion, diced