Leg
Lamb
Doneness
Medium rare
54–57 °C129–135 °F
Warm red centre, springy. The classic steak doneness.
Medium
60–63 °C140–145 °F
Warm pink centre, firm.
Medium well
65–68 °C149–154 °F
Slight pink centre, firm.
Well done
71–74 °C160–165 °F
No pink, fully cooked through.
Rest
15 min
Will rise to
Internal temperature will rise about 4°C / 7°F while resting.
Food safety guidance
Recommended minimum internal temperature is 63 °C / 145 °F with a 15-minute rest before serving.
Source