No, it doesn't taste (or smell) good because it's nutritious. The cravings are a psychological reflex of remembering something you liked the taste, nutritious or not.
There's people who doesn't consider charring meat having a good odour, and that doesn't make it less nutritious. There's super tasty things which are horribly un-nutritional, or even poisonous. That goes both for smell and taste.
There's people who doesn't consider charring meat having a good odour, and that doesn't make it less nutritious. There's super tasty things which are horribly un-nutritional, or even poisonous. That goes both for smell and taste.