Rouille

rouille sauce, salsa rouille

Rouille (french: [ʁuj]; lit. 'rust') is a sauce that consists of egg yolk and olive oil with breadcrumbs, garlic, saffron and cayenne pepper. it is served as a garnish with fish, fish soup and, notably, bouillabaisse. rouille is most often used in the cuisine of provence.

Source: Wikipedia

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