Cooking instructions

1. Preheat the oven to 180 °C and preheat a large frying pan on the hob
2. Oil and season the steak
3. Sear the steak on the hob until golden
4. Transfer onto a baking tray and cook for 24 minutes
5. Turn over after 12 minutes
6. Rest the steak for 10 minutes
7. Meanwhile make the mash potato by peeling and chopping the potatoes
8. Boil for 10-15 minutes until tender
9. Drain and pass through a ricer or mash until smooth
10. Beat in the brie and truffle butter
11. Add a splash of milk
12. Transfer to a serving dish
13. Serve the rested steak on your favourite sharing plate with a good twist of black pepper & a spoon of English Mustard