it often features alternating slices of meat and onions. Even though the word "shashlyk" was apparently borrowed from the Crimean Tatars by the Cossacks as early as the 16th century, kebabs did not reach Moscow until the late 19th century, according to Vladimir Gilyarovsky's "Moscow and Moscovites". From then on, their popularity spread rapidly; by the 1910s they were a staple in St Petersburg restaurants and by the 1920s they were already a pervasive street food all over urban Russia. Shashlik is also used in Russia as a food to be cooked in outdoor environment, similarly to barbecue in English-speaking countries.