US Patent 12082315 Cooking appliance

A low-temperature vacuum cooking device and a cooking appliance including low-temperature vacuum cooking device are provided. The cooking appliance may include a housing including a container mount, a first container having a space to accommodate a liquid therein, the first container being configured to be coupled with the container mount, a heater that heats the liquid accommodated in the first container, a cover rotatably installed on the housing to cover or open the first container.