Cannot eat. The heads of tiger prawns contain heavy metals and need to be removed before cooking. Tiger shrimp is a common ingredient with sweet meat, horizontal stripes on the surface and full elasticity. Tiger prawns can be cooked in a variety of ways, and can be used to make tiger prawn and leek dumplings, pan-fried tiger prawns, salt-baked tiger prawns, steamed garlic tiger prawns, and iron plate golden tiger prawns.