Beef Stroganoff are considered the traditional side dish for beef Stroganoff in Russia. The version given in the 1938 "Larousse Gastronomique" includes beef "strips", and onions, with either mustard or tomato paste optional. After the fall of Tsarist Russia, the recipe was popularly served in the hotels and restaurants of China before the start of World War II. Russian and Chinese immigrants, as well as US servicemen stationed in pre-Communist China, brought several variants of the dish to the United States, which may account for its popularity during the 1950s. It came to Hong Kong in the late fifties, with Russian restaurants
Khash (dish) (13th century). The Persian term literally means "trotter". The combination of a sheep's head and trotters is called , which literally means "head [and] trotter" in Persian. Khash is a purist meal with great parsimony in ingredients. The feet are depilated, cleaned, kept in cold water in order to get rid of bad smell, and boiled in water all night long, until the water has become a thick broth and the meat has separated from the bones. No salt or spices are added during the boiling process. The dish is served hot. One may add salt, garlic, lemon juice, or