In this video, Chef John shows you how to make mushroom gravy, using an easy one-pan method—and one pan means less clean-up! You’ll get tips for choos... See moreing mushrooms and see when to add your sliced mushrooms to the foamy butter. Then you’ll learn how to make a quick mushroom roux and how to cook out the flour without burning it. You’ll see a good technique for gradually adding stock. This mushroom gravy is delicious over mashed potatoes, meatloaf, Salisbury steak, roast turkey or chicken—anything that cries out for gravy! And the technique could not be simpler. Get Chef John’s recipe for Mushroom Gravy.