When your steaks are at room temperature throughout, then it's time to season. Cover them with kosher salt and freshly ground peppercorns, ground nice and big for some spicy heat. Rub the seasoning well into the surface of the steaks, then it's time to cook. Take a cast-iron skillet and put it on high heat. When it starts to smoke, add a liberal shake of olive oil and then place the steaks on the pan.
Turn the heat to medium and make sure you turn the steaks every minute, this will ensure they cook evenly and give a nice even colour. Depending on how you like your steak, you can check the density of the steak against your hand to know when it's done. Make sure you render down the fat on the side of the sirloin which will give you plenty of flavour.
At this point you can add a couple of generous knobs of butter. When it melts you can begin to baste the steaks. This will transform the flavour of the steaks. Add crushed garlic clovers and a few sprigs of thyme. This will add aromatic flavours.
The final and all-important step is to let the steak rest. As a rule, the steak should rest for at least the same amount of time that it took to cook, so that could be as much as 15-20 minutes. It will make all the difference.
For the vegan dads out there. Ramsay has a vegan steak recipe for a charred, roast aubergene, with wine-glazed mushrooms, veggie demi and creamy mashed potatoes. Check it out: