How long to defrost 1.5 kg boned lamb?

To defrost 1.5 kg of boned lamb safely, it typically takes about 10 to 12 hours in the refrigerator. For quicker defrosting, you can use the cold water method, which takes approximately 1 to 2 hours, ensuring the lamb is sealed in a waterproof bag. Avoid defrosting at room temperature to reduce the risk of bacterial growth. Always cook the lamb immediately after thawing using the cold water method.