Social. 1  Minnesota Starwatch at Washington County Parks Sept. 1 Visit Washington County Parks 9 p.m. to 11 p.m. Friday, Sept. 1, at Lake Elmo Park Reserve to watch the great celestial show in the sky with Minnesota Starwatch hosted by Mike Lynch of WCCO. Read on...
Sear the tri-tip for about four minutes. Turn it over, and place it in a baking dish with the seared side facing up. Cook for 30 minutes for rare or medium rare meat or 45 minutes for well-done. Use a meat thermometer to check that the internal temperature is between 135 and 150 degrees, then emove the meat from the oven and place it on a cutting board.
3. Oven-roasting the tri-tip roast. 1  Place roast in the oven and roast, uncovered, for 30 to 35 minutes or until the thermometer registers 135 degrees F. Remove from the oven and cover with foil.ou can also just sprinkle the meat with salt and ground black pepper before baking, then serve with a sauce or a topper of sauteed mushrooms and onions. 2. Prepping the tri-tip roast Preheat the oven to 425 degrees F. Place the roast on a rack in a shallow roasting pan.