A method of forming a cooking apparatus includes providing a vessel having an inside surface, an outside surface, and a hollow area that is configured to receive food. The method also includes forming a first plurality of ferrous elements to be disposed on an outside of the vessel. The method also includes forming a second plurality of ferrous elements to be disposed in the hollow area of the vessel. The first plurality of ferrous elements and the second plurality of ferrous elements are configured to be heated by electromagnetic radiation from an electromagnetic radiation source, and the first plurality of ferrous elements and the second plurality of ferrous elements are configured to transfer heat to food located in the vessel. The method further includes providing a controller to control movement of at least the first plurality of ferrous elements.