Shark doesn’t stop burning at fires or normal ranges, even if you have a level 99 cooking skill. This means you will need to have the Cooking Cape, one of thebest skillscapes in OSRS, in order to stop them from burning. If you’re able to keep a couple of pieces of cooked shark...
you will sometimes Burn your Food, which is unambiguous with wasting some of the raw ingredients. Food can be Cooked on Fires and Ranges. Ranges are generally better, as they have a lower chance of Burning your Food, furthermore, Ranges located...