2 lb. bag of shell-off cleaned jumbo prawns. These are larger than our medium prawns with 16-20 prawns in a pound. Everyone knows what a prawn or shrimp is – we see them all the time at the store. Who hasn’t had prawns in a variety of ways: Stir fry (2-6 minutes, according to size). Grill or barbecue (3-4 minutes each side). Poach (3-10 minutes, according to size). Previously frozen, shipped overnight THAWED in a 48 hour “cooler” box.