If I could only choose one to eat for the rest of my life, it would definitely be mutton.
Mutton flank makes amazing soup, but another way to cook it is to slow roast it until all the fat is off, then treat it as if it's pulled pork or Chinese crispy duck.
Does anybody have a good recipe for mutton sausages BTW? We have decided not to have pigs this year and ate the last of our saved pork sausages last week. We do have a mincer and a freezer full of mutton though, so....