main course it in, for instance roast vegetables and leg of lamb piping hot.
note that there is a safety feature in the lid, which cuts power to the heat source, when the lid handle is raised , to lift it off, so don’t be worried that anyone could potentially be carrying a live and very hot element.
although the oven gets dirty, it is a lot easier to clean than any built in oven, the bowl can be cleaned in a sink or in a dishwasher, the lid is more difficult but a quick brush with soapy water then wipe off after a short while, is usually enough to clean it 