1. Heat 4 cups water until boiling. When water is heated, rinse asparagus and mushrooms in cold water, then cut them to similar size. 2. When water is boiling, pour asparagus into boiling water and cook for 1 minute, or until water is boiling again. Soak in cold water for 1 minute and then drain. 3. Heat oil in a frying wok. Over medium heat stir fry mushroom for 2 minutes or until soft. 4. Add asparagus and stir fry for 2 minute. 5. Sprinkle salt and black pepper. Stir for 10 seconds and mix well. Serve.