Disclosed are a cooking apparatus and a control method thereof, in which water remaining in a water feeding tube is rapidly removed when a water bucket storing water required to generate steam is separated from the cooking apparatus. The cooking apparatus includes a water bucket, a steam generator, a water feeding pump feeding water contained in the water bucket to the steam generator through a water feeding tube, a sensor unit to detect whether the water bucket is separated from the cooking apparatus, and a control unit controlling an operation of the water feeding pump based on a signal provided thereto from the sensor unit.