Salade Niçoise is a classic French salad originating from Nice. It typically consists of fresh lettuce, tomatoes, hard-boiled eggs, tuna, anchovies, olives, and green beans. The salad is dressed with a vinaigrette made from olive oil, vinegar, and Dijon mustard. Salade Niçoise is a refreshing and nutritious dish, perfect for a light lunch or dinner.