What is the proper internal temperature for a lamb roast cooked to medium well?

The proper internal temperature for a lamb roast cooked to medium well is 145°F (63°C).

It's important to note that this temperature should be reached in the thickest part of the roast, and the meat should rest for at least 10 minutes before carving to allow the juices to redistribute. This will ensure that the lamb is cooked through and safe to eat.

Here's a breakdown of different lamb doneness levels and their corresponding temperatures:

* Rare: 125°F (52°C)

* Medium-rare: 130°F (54°C)

* Medium: 135°F (57°C)

* Medium-well: 145°F (63°C)

* Well-done: 155°F (68°C)

Remember to use a meat thermometer to accurately check the internal temperature of your lamb roast.