Hand-pulled noodles are a tradition from Lanzhou in northwest China. Called Lamian, the 2 to 3 metre-long noodles are made simply with water, flour and patience! Served with a delicate beef broth, this is a truly special Chinese regional dish.
Tsaoko is known by its Chinese name cao guo and is also sometimes called 'red cardamom'. It can be bought online or in some oriental shops.
Look for dried mandarin orange peel in oriental shops. It lends a very distinctive flavour; don't be tempted to use fresh mandarin or fresh orange peel.