How long to cook a 4lb lamb med rare?

To roast a 4-pound lamb to medium-rare, you will need to cook it for approximately 1 hour and 15 minutes in a preheated 375°F oven.

Here are the step-by-step instructions:

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1. Preheat your oven to 375°F (190°C).

2. Prepare the lamb.

>Remove the lamb from the fridge and let it come to room temperature for about 30 minutes.

>Pat the lamb dry with paper towels.

>Season the lamb all over with salt, pepper, and any other desired herbs or spices.

3. Sear the lamb.

>Heat a large skillet over medium-high heat.

>Add a little oil to the skillet.

>Sear the lamb on all sides until browned.

>This will help to seal in the juices and create a nice crust.

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4. Roast the lamb.

>Place the seared lamb in a roasting pan.

>Add a little water or stock to the bottom of the pan.

>Cover the pan with foil and roast in the preheated oven for 1 hour and 15 minutes.

5. Check the temperature of the lamb.

>Use a meat thermometer to check the internal temperature of the lamb.

>It should be 135°F (57°C) for medium-rare.

6. Let the lamb rest.

>Remove the lamb from the oven and let it rest for 10-15 minutes before carving and serving.

Enjoy your delicious, medium-rare roast lamb!