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
Horse meat United States received national attention again in May 2017 when a restaurant in the Lawrenceville section of Pittsburgh served a dish containing horse tartare as part of a special event the restaurant was hosting with French Canadian chefs as guests. The restaurant, which otherwise does not serve horse meat (which is legal to serve and consume in Pennsylvania), received an inspection and a warning from the USDA not to serve horse meat again. A Change.org petition subsequently went up to advocate making serving horse meat illegal in Pennsylvania. From the 1920s and through the 1950s or 1960s, and with a