The most commonly used herb in Mediterranean cuisine is basil. Known for its fragrant aroma and fresh flavor, basil is a key ingredient in many traditional dishes across Mediterranean countries. It is particularly prominent in Italian cuisine, often used in salads, sauces, and as a seasoning for pasta and pizza. Additionally, basil is essential for making pesto, a popular sauce made from crushed basil leaves, garlic, pine nuts, and olive oil. Its versatility and vibrant flavor make basil a beloved herb in Mediterranean cooking, contributing to the region's culinary identity.