Diane sauce recipe
 While this traditional accompaniment to steak may be retro, it’s a classic for a reason and will stand the test of time. From flambé flare to rich umami satisfaction, this is simply the best. 4 rib-eye steaks (about 200-225g/7-8oz each)olive oil2 banana shallots, finely diced180g/6¼oz button mushrooms, sliced2 garlic cloves, gratedknob of unsalted butter160ml/5½fl oz good brandy or cognac2 tbsp Worcestershire sauce2 tsp Dijon mustard300ml/½ pint double cream60g/2¼oz fresh flatleaf parsley, finely choppedsea salt and freshly ground black pepper 4 rib-eye steaks (about 200-225g/7-8oz each) olive oil 2 banana shallots, finely diced 180g/6¼oz button mushrooms, sliced 2 garlic cloves, grated knob of unsalted butter 160ml/5½fl oz good brandy or cognac 2 tbsp Worcestershire sauce 2 tsp Dijon mustard 300ml/½ pint double cream 60g/2¼oz fresh flatleaf parsley, finely chopped sea salt and freshly ground black pepper Method Allow the steaks to reach room temperature before rubbing them with a little olive oil, then season with sea salt.Place a non-stick frying pan over a high heat. As soon as it starts to smoke, add a splash of oil followed by the steaks and sear them for around 3 minutes on each side for a medium-rare finish. Remove the steaks from the pan, and leave them to rest on a rack in a warm place.In the same pan, fry the shallots in a little more oil on a medium heat until they start to soften. Add the mushrooms and cook for 2 minutes before adding the garlic and butter.Once the mushrooms are soft and slightly golden, add the brandy or cognac and carefully set it alight by tilting the pan towards the flame on a gas hob. Alternatively, use a match. CAUTION: Keep your face and hair away from the flames. Do not leave unattended.Once the flames have died down, add the Worcestershire sauce followed by the mustard. Cook the sauce for 90 seconds and then stir in the double cream. Reduce on a medium-high heat until slightly thickened, which should take about 2-3 minutes.Stir in the parsley, taste the sauce, then season with salt and pepper. Serve with the rested steaks. Allow the steaks to reach room temperature before rubbing them with a little olive oil, then season with sea salt. Allow the steaks to reach room temperature before rubbing them with a little olive oil, then season with sea salt. Place a non-stick frying pan over a high heat. As soon as it starts to smoke, add a splash of oil followed by the steaks and sear them for around 3 minutes on each side for a medium-rare finish. Place a non-stick frying pan over a high heat. As soon as it starts to smoke, add a splash of oil followed by the steaks and sear them for around 3 minutes on each side for a medium-rare finish. Remove the steaks from the pan, and leave them to rest on a rack in a warm place. Remove the steaks from the pan, and leave them to rest on a rack in a warm place. In the same pan, fry the shallots in a little more oil on a medium heat until they start to soften. Add the mushrooms and cook for 2 minutes before adding the garlic and butter. In the same pan, fry the shallots in a little more oil on a medium heat until they start to soften. Add the mushrooms and cook for 2 minutes before adding the garlic and butter. Once the mushrooms are soft and slightly golden, add the brandy or cognac and carefully set it alight by tilting the pan towards the flame on a gas hob. Alternatively, use a match. CAUTION: Keep your face and hair away from the flames. Do not leave unattended. Once the mushrooms are soft and slightly golden, add the brandy or cognac and carefully set it alight by tilting the pan towards the flame on a gas hob. Alternatively, use a match. CAUTION: Keep your face and hair away from the flames. Do not leave unattended. Once the flames have died down, add the Worcestershire sauce followed by the mustard. Cook the sauce for 90 seconds and then stir in the double cream. Reduce on a medium-high heat until slightly thickened, which should take about 2-3 minutes. Once the flames have died down, add the Worcestershire sauce followed by the mustard. Cook the sauce for 90 seconds and then stir in the double cream. Reduce on a medium-high heat until slightly thickened, which should take about 2-3 minutes. Stir in the parsley, taste the sauce, then season with salt and pepper. Serve with the rested steaks. Stir in the parsley, taste the sauce, then season with salt and pepper. Serve with the rested steaks.