The roast simmer is a circle of crispy vanilla baked in a circle. It is made from a kind of coumarin powder that is unique to the northwest. It is sweet, rosey, and salty. The Hui people in Ningxia have many people who have gone to other places, so in the nearby provinces, Gansu and Qinghai, they often see this kind of roasting in Ningxia. This roast can be eaten directly or it can be opened for brewing.