Prepare the Santa Maria Rub and pat it into the meat on both sides, and let it it stand at room temperature for 2 hours if you are cooking it right away.
Directions
Pre-heat the oven to 450 degrees.
Place tri-tip in a roasting pan with a rack and place in hot oven.
Roast for 30 minutes or to 140 degrees internal tempurature for medium rare.
Tent the meat loosely while you make the pan sauce.
Allow the meat to stand for 15 minutes before carving.
Carve by slicing the meat into thin slices across the grain.