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
Onion sauce or simmer the mixture to create a sauce. Some preparations involve frying the onions until they are browned, while others do not brown the onions. Onion sauce can be used to complement many foods, such as potatoes and peas, meats, such as pork, duck, rabbit, mutton, and liver, such as calf liver. Onion sauce prepared with bread crumbs may be used as a stuffing, which can be used in various poultry dishes, such as goose. Cebolada is a Portuguese onion stew, onion sauce or paste that is prepared with onion as a primary ingredient. It is used on several Portuguese