The shape of this lettuce’s leaves are similar to that of the oak tree, thus, its name.It has colourful borders of autumn and red shades and it is used as a garnish. The leaves have a mild, sweet, tangy and nutty flavor. This delicate, tender lettuce acts a great bed for other ingredients and won’t compete with other flavors. This type of lettuce goes well with any vinaigrette. Oak leaf lettuce is rich in minerals and vitamins A, vitamin B, vitamin C, vitamin D, and vitamin E.