Abstract: A modular cooking apparatus is disclosed. The modular cooking apparatus includes a first interchangeable cooking module containing an impingement oven and a second interchangeable cooking module containing a microwave oven. The microwave oven includes a magnetron and a cooking chamber, an oven door for covering the cooking chamber, wherein the oven door includes an external cover and an internal cover, a motor located outside the cooking chamber, a food holding surface located inside the cooking chamber, and a crank-and-cam mechanism connected to the food holding surface via a rod. The crank-and-cam mechanism moves the food holding surface to and fro within the cooking chamber during cooking for promoting food cooking evenness.