Lamb Cooking Times

Lamb cooking temperatures are important to monitor in order to insure meat is safely cooked to the proper temperature. When preparing lamb, use the chart below as a guide to check doneness when the meat is oven baked, grilled, and cooked in a bag.    Hormel Foods
LAMB Cooking Temperatures and Times
Oven cooked at 325F   Approximate Cooking Time (Minutes per pound)
Cut Weight Med-Rare
Well Done
Whole leg 5-7 lbs
7-9 lbs
15-20 min
20-25 min
20-25 min
25-30 min
25-30 min
30-35 min
Leg shank half 3-4 lbs 25-30 min 30-40 min 35-45 min
Leg sirloin half 3-4 lbs 25 min 35 min 45 min
Leg roast (boneless) 4-7 lbs 20 min 25 min 30 min
Rib roast or rack
(cook at 375F)
1 1/2-2 1/2 lbs 30 min 35 min 40 min
Crown roast, unstuffed
(cook at 375F)
2-3 lbs 25 min 30 min 35 min
Shoulder roast 4-6 lbs 20 min 25 min 30 min
Shoulder roast (boneless) 3 1/2-6 lbs 35 min 40 min 45 min
Grilled with high heat Thinkness
Approximate Cooking Time (Minutes per side)
Cut Med-Rare
Well Done
Chops - shoulder, loin or rib 1 inch 5 min 8 min 10 min
Steaks - sirloin, or leg 1 inch 5 min    
Kabobs 1 inch cubes 4 min    
Patties 1/2 inch   3 min  
Leg, butterflied (indirect heat) 4-7 pounds 40-50 min total    
Start with meat at refrigerated temperature. Remove lamb from oven when it reaches 5 to 10F below desired doneness; temperature will continue to rise as it stands.
Cooked at 325 in Oven Bag Total
Approximate Cooking Time
Cut Regular Size
Large Size
Turkey Size
19"x23 1/2"
Leg of lamb, bone-in 8-10 lbs     2-2 1/2 hrs
Leg of lamb, boneless 7-8 lbs     1 3/4-2 1/4 hrs
Leg roast, rolled, boneless 2-4 lbs
4-5 lbs
1-1 1/2 hrs
1 1/2-2 hrs
Leg roast, half, bone-in 3-5 lbs   1-1 1/2 hrs  
Preheat oven to 325F. Add 1 Tbsp. flour to oven bag. Remove lamb from oven when meat thermometer reaches 150F or when meat is fork tender. If using a Turkey Size oven bag for foods smaller than 12 lbs., gather oven bag loosely around food, allowing room for heat circulation, close with nylon tie and cut away excess oven bag.

Back to Cooking