Add the flat ribs and 3 litres/5¼ pints of boiling water to the pan. Bring back to the boil and add the pearl barley, split peas and bay leaves. Place a lid on the saucepan and reduce the heat.

Related: How To Grill Baby Back Ribs Choose racks of ribs with straighter bones that lay flat on the grill. Avoid racks with any bones sticking out. Why? These “shiners” blacken fast.