A rice burger or riceburger is a variation on the traditional hamburger with compressed rice patties substituted for the hamburger buns.
[1] The MOS Burger fast-food restaurant chain introduced the rice burger in Japan 1987,[2][3] and since then it has become a popular food item in East Asia.
Beginning around 2005 McDonald's also offered a rice burger in some of its Asian stores, with mixed results.
[4][5] In South Korea they are known as "bapburgers" (bap/bab means rice in Korean language).
Popular Korean-style rice burgers include fillings such as Stir-fried kimchi and tuna with mayonnaise.