Mushroom gnocchi is a hearty and flavorful dish that's perfect for fall. Sauté chopped mushrooms with garlic and thyme until tender, then mix them with boiled potatoes, flour, egg, and parmesan cheese. Roll the dough into long ropes, cut them into small pieces, and shape them into gnocchi. Boil them until they float to the surface, then serve with a creamy mushroom sauce and chopped parsley.