Green Oakleaf Lettuce has a buttery texture and an incredibly mellow, nutty and sweet flavor. It has bright-green, deeply lobed, and delicate oak-like leaves. Green Oak Leaf lettuce tastes great in wraps, sandwiches, tacos, and as a bed for cooked meats. It is a good source of vitamins A, C, and K, and folate. This is sold as a bagged head of lettuce.