This means ‘buried salmon', an unappealing way of describing a now universally loved dish that is quintessentially Scandinavian. Indeed, all four nations claim it as their own. Being Danish by association (married to one) I favour their claim.
This is a dish which introduces dill to people who previously thought of it just as part of a Jewish pickle jar. If fresh dill is unavailable you can achieve fairly good results with masses of the freeze-dried herb. In Denmark gravla