Coat a 9-by-13-inch baking dish with butter, and set aside. Heat the bone marrow over medium-high heat until liquefied, about 2 minutes. Add the mushrooms, onion, garlic, and celery, and sauté in ...

“People expect bread and butter as a filler, but we’ve made it a course on our tasting menu,” says Robin Gill from The Dairy in south London, who makes his smoked bone-marrow butter from ...

Bone marrow butter: Season the bones lightly and place on a tray and roast the marrow bones at 140 degrees for 16 mins. While ...