Cooking guidelines from defrosted: remove the steak from its packaging, allow the meat to come to room temperature for 20 minutes, patting dry with kitchen paper.
Preheat oven to 230°C / fan 210°C / gas 8 and a large shallow frying or griddle pan.
Once hot, add a little oil to the pan.
Sear the meat for 4-5 minutes.
Place your meat uncovered on a rack in a roasting tin, and put into the preheated oven.
Cook the steaks to your liking following the recommended times:
Rare: 8-10 minutes
Medium rare: 12-14 minutes
Medium: 16-18 minutes
Well done: 20-22 minutes
Remove from the pan, cover with foil and leave to rest in a warm place for 10 minutes.
Cooking appliances vary in performance, these are guidelines only.

Chef's tip: try these steaks cooked ‘low and slow’ - find out how here.