3 roast beef mushroom madeira sauce Recipes

whole beef tenderloin roast, preferably the wide end cut, trimmed and tied, salt and freshly ground black pepper, olive oil, onion, peeled, cut into 1-inch chunks, celery stalks, cut into 1-inch chunks, carrots, peeled, cut into 1-inch chunks, olive oil, butter (or to taste), button mushrooms, quartered or cut into eights if large, shallots, minced, garlic cloves, minced, madeira, canned chicken broth, heavy cream, dijon mustard, bottled barbecue sauce, chopped flat-leaf parsley

standing rib roast, salt, ground thyme, pepper, fresh parsley sprigs, whole mushrooms, madeira sauce