1 - Put the potatoes in a pan of boiling water and cook for 5 minutes.

2 - Throw in the beans and cook for a further 3 minutes, by which time both should be just tender but not too soft.

3 - Drain and put to one side.

4 - In a wok or large frying pan, heat the oil until very hot, then drop in the garlic and cook until golden, this should take only a few seconds.

5 - Don’t let it go very dark or it will spoil the taste.