Super-fast prawn noodles - Good Food Middle East

Ingredients

• 1l chicken stock (we used Knorr Touch-of-taste)
• 2 tbsp oyster sauce
• 2 tbsp hoisin sauce
• 1 tbsp fish sauce
• large piece fresh root ginger, shredded into thin matchsticks
• 300g peeled king prawns (raw would be better, but cooked are fine)
• 4 bok choi, each cut into quarters
• 2 sachets straight-to-wok noodles
• 4 spring onions, finely sliced