This dish is made with stir-fried wide rice noodles, meat such as chicken, beef, pork, or seafood or tofu, garlic, straw mushrooms, and gai lan (a leaf vegetable with thick, flat, glossy blue-green leaves with thick stems). The dish is then covered in a sauce made of stock and tapioca starch or cornstarch. It is seasoned with sweet soy sauce, fish sauce, sugar, and black pepper. Name the dish.