Deep conditioners are more effective at penetrating your hair when you use it along with heat. Itâs best to sit under a hooded dryer for 15- 20 minutes, however if you donât have a hooded dryer you can always use a warm towel.
9Continue to cook the sirloin roast until a meat thermometer registers 130 degrees at the CENTER of the roast for medium rare at the center, medium on the ends. This should take around 20 â 30 minutes per pound, but never rely on exact times. Use a meat thermometer instead.
How To Grill the Steak. 1  Preheat the gas grill on high (500 â600 degrees). It's very important to have the temperature right to grill a steak properly.  Place steaks on very hot grill and close lid. This will help the sirloin cook from all angles and sear in the juices.