Ingredients:
2 sirloin steaks
2 thyme sprigs, leaves picked
½ tbsp olive oil
For the dauphinoise
300g Maris Piper potatoes, peeled and very finely sliced
100ml double cream
100ml semi-skimmed milk
1 garlic clove, grated
2 thyme sprigs, leaves picked
20g Parmesan
For the salad
2 large handfuls watercress
2 tbsp Tesco Finest French dressing
Method:
1. Preheat the oven to gas 4, 180°C, fan 160°C. To make the dauphinoise, layer the potatoes in a roasting dish, seasoning every other layer.
2. In a jug, mix the cream, milk, garlic and thyme leaves. Season, then pour over the potatoes. Grate a thin layer of Parmesan over the top then cover with foil and bake for 1 hr. Remove the foil and cook for a further 15 mins, until browned on top.
3. Meanwhile, rest the steaks at room temperature for 10-20 mins.
4. Heat a griddle pan over a high heat. Season the steaks on both sides, sprinkle with the thyme, then rub the oil over the steaks to cover. When the pan is hot, add the steaks. For rare steaks, fry for 2 mins on each side; for medium, fry for 3 mins on each side; for well done, fry for 4 mins on each side. When cooked to your liking, remove from the pan and leave to rest for at least 5 mins.
5. Mix the watercress in a bowl with the dressing. Serve with the dauphinoise and steak.
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