Melt the butter in a saucepan for the mash, add the mash and cream and mix thoroughly, serve a big spoonful with the sausages and onions and gravy. Stand back and marvel at what you have just created.
Here, we accompany the medallions with a rich, earthy mushroom gravy made from chicken stock and flavored with shallots and rosemary. We use sliced cremini mushrooms for this recipe, but feel free ...