With a smooth texture, Rougie semi-preserved halal foie gras can be kept for about 6 months at a temperature of between 2°C and 4°C. Foie gras is a fine food product made of the liver of a duck or goose that has been specially fattened. Foie gras is a popular and well-known delicacy in French cuisine. Its flavor is described as rich, buttery, and delicate, unlike that of an ordinary duck or goose liver. French law states that Foie gras belongs to the protected cultural and gastronomical heritage of France.