Balsamic Pork Stir Fry

2 tsp olive oil

2 cloves garlic -- crushed

500 grams pork fillet -- cut 1 cm thick slice

1 red capsicum -- chopped

1 green capsicum -- chopped

1/2 cup orange juice

1/4 cup balsamic vinegar

1 bunch rocket or watercress

Heat oil in wok over high heat. Add garlic and stir fry 1 minute, or till golden. Add pork and stir fry 3 minutes, or till brown. Add capsicums, orange juice and vinegar. stir fry 3 minutes, or till pork is cooked. Divide rocket or watercress leaves between serving plates, then top with pork mixture. serve immediately.