3 new york roast mustard sauce Recipes

creme fraiche or sour cream, dijon mustard, fresh lemon juice, coarse kosher salt, unsalted butter, room temperature, garlic cloves, pressed, chopped fresh rosemary, coarse kosher salt, freshly cracked black pepper, boneless beef loin new york strip roast, assorted mushrooms (such as button , crimini, and oyster), large mushrooms halved, turnips (about 2 medium), peeled , cut into 2x1/2x1/2-inch strips, carrots (about 4 medium), peeled , quartered lengthwise, cut crosswise into 1 1/2-to 2-inch pieces, celery root (about 1 medium), peeled , cut into 2 x 1/2 x 1/2-inch strips, shallots (about 12 oz total), peeled , cut crosswise into 1/4-inch-thick slices, extra-virgin olive oil, chopped fresh rosemary, coarse kosher salt

whole new york strip, about 5 lb, well trimmed of excess fat and silverskin, trimmings reserved, kosher salt, freshly ground black pepper, olive oil, minced shallot, port wine, beef stock , veal stock, or chicken stock, heavy cream, unsalted butter , cut into pieces, grainy meaux mustard or smooth dijon mustard, salt, freshly ground white pepper