how to slow cook beef sirloin tip roast
Heat the oven to 325Â°. Line a roasting pan with foil. Put the roast in the prepared pan and rub all over with the olive oil. Combine the garlic and remaining ingredients in a small bowl then rub over the roast.Roast for 15 minutes, reduce heat to 225Â°, and continue roasting for about 3 hours longer, or until done as desired.ut the roast in the prepared pan and rub all over with the olive oil. Combine the garlic and remaining ingredients in a small bowl then rub over the roast. Roast for 15 minutes, reduce heat to 225Â°, and continue roasting for about 3 hours longer, or until done as desired.