Add the mushrooms and cook until tender about 2 minutes, add the shallot and garlic and cook until soft, about 1 minute.Remove the pan from the heat and add brandy ignite with a match, when the flames die down return to heat and add mustard, worcestershire sauce,cream and hot sauce, and beef broth and stir to combine, bring to a boil and cook until it thickens just a bit, lower heat add steaks and any juices on plate and stir to coat.Transfer to a platter and garnish with green onions and parsley