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How to Grill Butterflied Leg of Lamb

Lamb · Grilling

Grill over two zones to an even medium-rare, then slice across the grain.

400°F grill 135°F internal Rest 10 min

How long to grill Butterflied Leg of Lamb

Grill at 400°F for about 8 minutes per side (at 2" thick), to an internal temp of 135°F. Rest 10 min.

DonenessInternal tempTime per side
Rare125°F5.8 min/side
Medium-rare135°F6.8 min/side
Medium145°F8.0 min/side
Medium-well150°F9.2 min/side
Well-done160°F10.6 min/side

Thicker cuts need longer; use the calculator to adjust for thickness.

Calculate exact time →

Frequently asked questions

How long to grill butterflied leg of lamb?

Grill butterflied leg of lamb about 8 minutes per side at 400°F, until it reaches 135°F internal.

What temperature to grill butterflied leg of lamb?

Set up the grill for about 400°F at the grate.

What internal temp for butterflied leg of lamb?

Cook butterflied leg of lamb to 135°F internal for medium-rare; see the doneness chart for other levels.

More Lamb cuts

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450°F grill