Aioli (Provençal Occitan alhòli, Catalan allioli) is a sauce mae of garlic and olive oil. Normally egg is also added for ease of mixing. There are many variations, and one common one is to add mustard. In France, aioli is traditionally served with seafood, fish soup, and croutons. It is usually served at room temperature. The name aioli (alhòli) comes from Provençal alh 'garlic' (< Latin allium) + òli 'oil' (< Latin oleum).