By Sri Owen
Soba is one of those types of noodle that are equally good eaten cold, warm or hot. The idea of serving tempura prawns or vegetables with a soup is quite untraditional, but has been growing in popularity as a means of adding more texture to soups.
Prepare the soup by adding the mirin and sake to the stock. Simmer for 2 minutes, turn off the heat and set aside.
Prepare the noodles: cook them in a pan of gently boiling water for 3-4 minutes, refresh under cold running water and drain well in a colander.
Make the tempura batter: whisk the egg yolk in a bowl until well blended, then add the ice-cold water. Sift the flour and