Updated potato salad recipe. I always get asked for the recipe.
Place potatoes into a large pot and cover with salted water; bring to a boil. Reduce heat to medium-low and simmer until tender, about 20 minutes. Drain and let cool.
Mix mayonnaise, buttermilk, Dijon mustard, dill, red onion, and celery in a large salad bowl; gently fold in the potatoes. Season with salt and black pepper. Chill for 4 hours before serving.
Per Serving: 250 calories; protein 4.9g; carbohydrates 38.7g; fat 9.2g; cholesterol 4.4mg; sodium 164mg.