Pesto has been pointed out that pesto is essentially a combination of flavourful leaves, oily nuts, hard cheese, olive oil, garlic, salt and lemon juice; any ingredients meeting this description can produce a pesto-like condiment. "Pesto alla siciliana", sometimes called "pesto rosso" (red pesto), is a sauce from Sicily similar to "pesto alla genovese" but with the addition of tomato, almonds instead of pine nuts, and much less basil. "Pesto alla calabrese" is a sauce from Calabria consisting of (grilled) bell peppers, black pepper and more; these ingredients give it a distinctively spicy taste. Outside Italy, the household name "pesto" has
Pesto alla trapanese Pesto alla trapanese The pesto alla trapanese (), is a Sicilian variation of the genoese pesto, typical of the Province of Trapani. It is also known as pesto alla siciliana , pesto rosso, and as in the Sicilian language. It is made of garlic, basil, almonds, grated pecorino, tomatoes, salt, and pepper, and bound with extra virgin olive oil. The dish was introduced in ancient times by Genoese ships, coming from the East and stopping at the port of Trapani, who brought the tradition of "agliata", a sort of pesto sauce based on garlic and walnuts, which was then developed