From China’s Shaanxi province, rou jia mo are small, round flatbreads stuffed with pork belly that’s been braised with soy sauce and spices, then chopped to small bits. They’re often referred to as “Chinese hamburgers.” Our ultra-easy, rou jia mo-inspired sandwiches are made with quick-cooking ground pork and dark, thick hoisin sauce, so it wouldn’t be wrong to think of them as Chinese sloppy Joes. The baking soda may seem like an odd ingredient, but it keeps the pork tender by lowering the pH.