Lamb, mint and chilli stir fry

1) Heat a wok over a high heat and add a little oil.
2) Fry the lamb slices a few at a time for a couple of minutes until almost cooked. Remove from the pan.
3) Heat the remaining oil and fry the onion and garlic for about a minute then add the lamb and all of the remaining ingredients except the mint.
4) Stir-fry for a couple of minutes.
5) Serve at once topped with the mint leaves.