It's particularly hard to use the thermometer correctly if your baby is under three months. Her ear canals are likely to be too small. But if your baby is older, here's how to use an ear thermometer: Don't use a strip-type thermometer, which you hold on your baby's forehead, to check your baby's temperature.
For medium rare on a 1 inch top sirloin boneless steak, total cooking time should be about 8 to 10 minutes. For a 2 inch boneless top sirloin total cooking time of about 18 minutes will give medium rare results. Ideally, you should be using a great instant-read meat thermometer.
Make Roasted Top Sirloin Steak. 1  1. Preheat the oven to 400 degrees Fahrenheit (204 degrees Celsius). 2  2. Place the seasoned steak in a shallow roasting pan. 3  3. Place the pan in the oven. Cook the steak, uncovered, for 40 or 50 minutes.  4. Allow the steak to rest for 3 minutes before 1  serving. 5. Finished.