Stuff sirloin roast with garlic cloves and ... ground black pepper. Cook at 350 degrees until medium ... meat thermometer. Retain cooking juices (au jus) to use ... over sandwich and serve.
About 40 minutes before serving: ... a boil and cook until thickened. Set aside. In ... golden. Next add sirloin and brown, stirring frequently. Stir ... is used, reduce cooking time to 5 to 8 minutes.