Romaine lettuce is a popular salad green that is known for its crisp, crunchy texture and mild flavor. It is a good source of vitamins A and C, as well as fiber. Romaine lettuce is also low in calories and fat, making it a healthy choice for salads, sandwiches, and wraps. - Romaine lettuce is a popular salad green that is known for its crisp, crunchy texture and mild flavor - Romaine lettuce is also delicious on its own as a side dish