Sopa de Camarones

• 1 lb. shrimps or prawns
• 1½ oz. unsalted butter
• 1

Shell the shrimps and set aside. Heat ½ oz. of the butter in a small frying pan and sauté the shrimp shells for 2 or 3 minutes. Transfer to a small saucepan, add ¾ pint water and boil until reduced to ha