Lambakæfa Recipe from Iceland with Onion, Salt, Pepper, and Allspice

Ingredients

• 5 kg meat on the bone ( lamb or mutton )
• 1.5 kg sheep suet (optional)
• 120 g onion , quartered
• 150 g salt
• 2 tsp ground pepper
• 2 tsp allspice , ground
• 1 tsp cloves , ground