If you're a fan of the classic mushroom Swiss burger, this Thermomix recipe is for you. Start by sautéing sliced mushrooms in your Thermomix until golden and tender. Meanwhile, prepare the ground beef patties with your preferred seasonings. Cook the patties in the air fryer, and during the last few minutes, top each patty with Swiss cheese and let it melt. Assemble your burgers with the sautéed mushrooms, Swiss cheese, and any additional toppings you desire. Indulge in the rich and savory flavors of this gourmet-style hamburger.