Season steaks with salt and pepper and squeeze garlic over them. Add clarified butter to frypan and when hot add steaks and sear both sides - remove to a dish. Add champignons, pour over brandy and set alight. Add squeeze of lemon juice to champignons and then remove to a dish. Add pate to the frypan and add cream. Add horseradish and combine to form sauce. Place steaks on a serving dish, pour over sauce and decorate with champignons.