Put the pasta in boiling, lightly salted water and cook for four minutes until al dente. Then pour off the water. Heat the oil in a large frying pan, add the spring onions and carrots to the oil and cook for 3 minutes. Then add the garlic, chilli, sugar peas and mushrooms. After everything has fried for 2 minutes, add the Chinese cabbage to the pan and cook for a minute. Mix the drained noodles, soy sauce and hoisin sauce with the vegetables in the pan. Fry the dish on a low heat for two minutes until it is pulled through and serve immediately.