Roast the potatoes

• Heat the oven to 200 °C.
• Toss the potato wedges with olive oil, salt and pepper on a baking tray.
• Roast until golden and tender.

Sear the steak

• Heat a little olive oil in a frying pan over high heat.
• Season the steak with salt and pepper and sear on both sides.
• Add the butter, garlic and thyme and baste the steak, then rest it on a board.

Cook the mushrooms

• Sauté the mushrooms in the same pan with the remaining butter.
• Season with salt and pepper and cook until browned.

Serve

• Slice the rested steak against the grain.
• Plate with the mushrooms and roast potatoes.