Defrost the steaks by placing them into a bowl of cool water (still in their packaging). They should thaw in less than 10 minutes. Once thawed, remove the steaks from their packaging and dry them all over using a kitchen towel. Season well with good quality pure Sea Salt.
Take a castiron pan and heat it until it is very hot. Without adding any oil place the steak upright, pressing the fat against the pan. Cook the fat for six minutes.
Place the steak flesh side against the pan and cook for two minutes.
Turn over and cook the other side for two minutes, until the juices start to appear.
Cook for a total of 10 minutes.
Rest uncovered for 10 minutes before serving.