A baby romaine lettuce head is a small, tender version of the classic romaine lettuce, known for its crisp texture and slightly sweet, mild flavor. Each head is compact and elongated, with deep green outer leaves that lighten to a pale green or yellowish hue toward the center. The leaves are sturdy with a prominent, crunchy rib running down the middle, making them ideal for a variety of culinary uses, from salads to sandwiches. Baby romaine is often preferred for its more delicate taste and texture compared to its mature counterpart, as well as for its smaller, more manageable size.