Creamy Dill Potato Salad

Bahan-bahan (10 porsi)

• 3 pounds red potatoes (or yellow potatoes)
• 1 ½ cups diced celery
• 2 g reen onions (thinly sliced)
• ¾ cup mayonnaise
• ½ cup sour cream
• 2 tablespoons fresh lemon juice
• 4 tablespoons chopped fresh dill
• 1 tablespoon Dijon mustard