3 rosemary standing rib roast pan Recipes

well-trimmed 8- to 9-lb rib roast (with 4 bones ), crushed dried rosemary, divided, coarse kosher salt, freshly ground black pepper, olive oil, boiling water, dried porcini mushrooms, butter, room temperature, divided, fresh button mushrooms , cut into 1/4-inch-thick slices, garlic cloves, minced, all purpose flour, low-salt beef broth, dry red wine, fresh rosemary (for garnish )

equipment, roasting pan, roasting rack, programmable digital thermometer (a must), aluminum foil, kosher salt, fresh coarsely cracked black peppercorns (hammer and zip lock bag), fresh or dried rosemary (fresh preferred ), fresh or dried thyme (fresh preferred ), meat, olive oil, standing rib roast, room temperature , 2 people per bone, 4 bone minimum