Stackable pans for cooking appliance

A cooking appliance, comprising:

• a casing defining a cooking cavity;
• a microwave module for delivering microwave energy into the cooking cavity;
• at least one secondary heat source for delivering thermal energy into the cooking cavity;
• a turntable rotatably mounted in the cooking cavity;
• an upper pan mounted above the turntable, wherein the turntable and the upper pan are configured for positioning a plurality of food items thereon in a predetermined food arrangement, the plurality of food items comprising a meal;
• a motor operatively coupled to the turntable to rotate the turntable and the upper pan within the cooking cavity, whereby differing amounts of energy are provided to each food item of the plurality of food items based on a spatial location of each food item in the predetermined food arrangement on the turntable and the upper pan during a meal cook cycle;
• and
• a roller ring directly coupled to the motor, the roller ring comprising a plurality of registration pins engaged with a plurality of registration recesses in the turntable, wherein the plurality of registration pins comprises a first registration pin and a second registration pin geometrically distinct from the first registration pin, wherein the plurality of registration recesses comprises a first registration recess corresponding to the first registration pin and a second registration recess corresponding to the second registration pin, the first registration pin configured to engage with the first registration recess and the second registration pin configured to engage with the second registration recess whereby the turntable is mounted on the roller ring in a fixed angular alignment within the cooking cavity.