Method

1. Heat the oil in a wok and fry the onion and garlic for 3 minutes. Add the peppers and fry for 3 minutes more
2. Add the broccoli florets, sweet corn and courgettes and continue to fry for a further 5 minutes
3. In a small bowl, mix together the soy sauce, water and ginger juice
4. Using a wooden spoon, make a space in the centre of the stir fried vegetables so that the base of the wok is visible. Pour in the sauce and bring to the boil, stirring all the time until it starts to thicken
5. Toss the vegetables to coat thoroughly with the sauce
6. Transfer to a serving dish and sprinkle with the cashew nuts