Organic Lambs Hearts No reviews The Naked Butcher Perth Sale! from 1000 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Each pack contains 2 certified organic lambs hearts. Weights may vary but the average weight per twin pack is 420 grams. This product is supplied vacuum packed and frozen. Nutrient Enriched Offal organic Organic Lamb