Cadac’s can be a pain to clean. However, a friend of mine introduced me to non-stick mats. They have made cooking on Cadac’s easy! Just cut them to the shape and size for your Cadac.
https://www.amazon.co.uk/dp/B0747QBBPB?tag=mhf04-21
https://www.amazon.co.uk/dp/B0747QBBPB?tag=mhf04-21