Mos burger is a Japanese fast food chain which offers Asian-style fast food. Instead of hamburger buns, several of their “hamburgers” are enclosed by rice pressed into a bun shape. When I was in Taiwan, I went a to baseball game; Mos burger was one of the stands in the stadium so I got to try them. I was disappointed in the taste of their fillings, but I was captivated by the idea of a rice bun for a hamburger, so I wanted to make my own version. My “onigiri burger” or “rice burger” is loosely inspired by Mos burger; however the flavorings are quite different than what Mos burger offers and I chose to season my rice with furikake, which is a Japanese condiment that is often sprinkled on top of rice. These onigiri burgers are a messy but fun and satisfying dish. The recipe below offers two variations: one made with a hamburger patty and one made with thinly sliced leftover roast pork. You could also experiment with other meats or fillings–Mos burger offers several …