1. Soak mushrooms and day lilies in hot water for 20 minutes, then wash them with running water and squeeze them dry by hand. 2. Boil in hot water for about 15 minutes, then take it out and let it cool for later use. 3. Heat the wok with raw oil, and add pepper, garlic, ginger slices, fresh peppers (personal preference), dried peppers, onions, fragrant leaves and star anise.