The green usually found in a Caesar salad is romaine lettuce. Romaine lettuce is a type of lettuce that is long and has a mild, slightly sweet flavor. It is often used in salads, sandwiches, and other dishes.
The classic Caesar salad traditionally features romaine lettuce, croutons, Parmesan cheese, and a creamy dressing made with egg yolks, olive oil, garlic, anchovy paste, Dijon mustard, lemon juice, and black pepper.