First of all, prepare your oven and preheat it to 375 F.

Prepare a roasting pan. Then, line it with aluminum foil. Put the rack inside the pan.

Continue by preparing the seasoning for lamb roast recipe boneless. The seasoning you will need is as mentioned above: rosemary, garlic, lemon juice, mustard, salt and pepper, and olive oil.

In a small bowl, mix those ingredients of lamb seasoning.

Then, rub the seasoning mixture over the lamb meat.

Roll the lamb, then tie it together using a butcher’s twine. Place the lamb on the roasting pan that’s already covered with aluminum foil.

Now put the lab inside the oven. Roast it until it turns medium rare. The temperature of inside the meat should be around 135-140 F. This typically will need around 70 minutes, but depending on the size of your roasting oven it may vary.

Now take the lamb out from the oven and let it rest for 15 minutes. You can place the lamb on a cutting board while having it to cool down.

Then, continue by slicing the roast lamb boneless into ¼ inch slices.

Finally, serve it on a platter.