Caesar salad is a classic salad that originated in Tijuana, Mexico, but has become popular worldwide. It typically consists of romaine lettuce, croutons, Parmesan cheese, and a creamy dressing made with garlic, anchovies, lemon juice, and olive oil. The salad is named after its creator, Caesar Cardini. It is a refreshing and flavorful salad that is often served as an appetizer or a main course.