Basil lovers unanimously recommend Genovese Basil as the best basil for Italian pesto. Genovese Basil is very popular in cooking, as it is used for sauces, salads, and garnishes. The leaves of Genovese Basil are extremely tender and fragrant. Genovese Basil is the classic Italian basil that has a mildly spicy flavor and sweet fragrance. Genovese Basil has extremely tender, fragrant, extra-large, dark green leaves. This variety is relatively slow to bolt.