- 1 red onion, finely chopped
- 2 garlic cloves, chopped
- 50g/2oz sugar
- 50g/2oz canned pineapple, finely chopped
- 1 tbsp tomato ketchup
- 1 tbsp white wine vinegar
- 4 tbsp sunflower oil
- 600g/1lb 5oz pork fillet, thinly sliced
- 1 bunch green asparagus, cut in half lengthways then sliced
- 1 cucumber, thinly sliced
- 2 courgettes, cut in half lengthways, then thinly sliced into half-moons
- 1 red pepper, de-seeded and thinly sliced
- 1 yellow pepper, de-seeded and thinly sliced
- 1 red onion, thinly sliced
- 1 bunch fresh chives, cut into 1cm/½in lengths, to serve
- For the sweet and sour sauce, mix all of the sauce ingredients together in a pan and cook over a low heat for five minutes.
- For the stir-fry, heat the sunflower oil in a wok or large frying pan, add the pork and stir fry over a high heat for about five minutes, or until evenly browned.
- Add the asparagus, cucumber, courgettes, red and yellow peppers and red onion and stir fry for five minutes, or until tender but still crisp.
- Add the sweet and sour sauce and cook, stirring constantly, for a further two minutes, or until the pork is completely cooked through.
- To serve, sprinkle with chives and serve immediately.