By Bill Ohaire | Published: April 2026 | Last Updated: April 2026

Herb-crusted lamb chops seared on the grill

Photo by Emre Vonal on Pexels

Quick Answer

Leg of Lamb at 160°C (325°F): Cook for 2-2.5 hours (2kg bone-in) using indirect heat. Target internal temperature: 63-68°C (145-155°F) for medium.

Leg of Lamb at 160°C (325°F) — Overview

A good balance of tenderness and reasonable cooking time. The standard approach for roast lamb.

BBQ Temperature

160°C (325°F)

Cook Time

2-2.5 hours (2kg bone-in)

Internal Temp

63-68°C (145-155°F) for medium

Heat Method

indirect

Cooking Times at 160°C (325°F)

DetailValue
BBQ Temperature160°C (325°F)
Cook Time2-2.5 hours (2kg bone-in)
Target Internal Temp63-68°C (145-155°F) for medium
Heat Setupindirect

Why Cook Leg of Lamb at 160°C?

A good balance of tenderness and reasonable cooking time. The standard approach for roast lamb.

Pro tip: Butterfly the leg for faster, more even cooking. A butterflied leg takes 1-1.5 hours at this temp.

Step-by-Step: Leg of Lamb at 160°C

  1. Preheat: Get your BBQ to a stable 160°C (325°F). Use a grill thermometer at grate level for accuracy.
  2. Prep: Bring the leg of lamb to room temperature (15-20 minutes). Pat dry and season generously.
  3. Set up: Configure your BBQ for indirect heat. Place coals on one side only, or turn off one burner on a gas BBQ.
  4. Cook: Place the leg of lamb on the grate and cook for 2-2.5 hours (2kg bone-in). Flip halfway through.
  5. Check: Use a digital meat thermometer. Target: 63-68°C (145-155°F) for medium.
  6. Rest: Remove from heat and rest before cutting or serving.

Common Mistakes at 160°C

Try Our BBQ Cook Time Calculator

Get precise cooking times for any meat, cut, and method. Never over-cook or under-cook your BBQ again.

Open Calculator

Frequently Asked Questions

How long to cook leg of lamb at 160°C?

Cook leg of lamb at 160°C (325°F) for 2-2.5 hours (2kg bone-in). Use indirect heat and check the internal temperature reaches 63-68°C (145-155°F) for medium.

Is 160°C a good temperature for leg of lamb?

A good balance of tenderness and reasonable cooking time. The standard approach for roast lamb.

What internal temperature should leg of lamb reach?

Target 63-68°C (145-155°F) for medium. Always use a digital meat thermometer inserted into the thickest part for accuracy.

Should I use direct or indirect heat at 160°C?

At 160°C, use indirect heat for leg of lamb. This provides even, gentle cooking.

Related BBQ Guides

Sources & References

1
Weber Grill Skills
Weber Australia's guides for grilling lamb on gas and charcoal.
Manufacturer
2
How to BBQ Right (YouTube)
Malcom Reed's grilling and smoking techniques for lamb.
Video
3
AmazingRibs.com
Science-based lamb grilling guides and internal temperature charts.
Reference
4
America's Test Kitchen (YouTube)
Rigorously tested lamb cooking methods and recipes.
Video