1. The tricky thing with cleaning leeks is getting rid of the dirt that accumulates between the leaves. Slice lengthways down the centre of the leek from about 15-20 cm above the root.
2. Separate the leaves with your fingers, hold under running water and rub away the dirt.
3. Remove any wilted or damaged outer leaves and perhaps a little of the dark green tops if they are ragged.
4. Slice the leek right through lengthways.
5. With your finger tips tucked behind the knuckles so you don't cut them, slice each half of the leek finely. You may like to give it another rinse, and shake dry.
6. In a high-sided frying pan, cook gently in a little oil and butter until soft but not browned - 10-15 minutes. You could also cook it in the microwave with a tablespoon of water and less fat.
7. You can use cooked leeks as a side vegetable, or in a quiche or flan, or other dishes.
Daniel Pfyl, hospitality management lecturer at Otago Polytechnic, shares some professional techniques to make your cooking easier.
This week, how to clean and cook a leek.
If you would like to request a particular technique, please let us know. Write to Trick of the Trade, Editorial Features, Otago Daily Times, P. O. Box 181, Dunedin or email odt.features@odt.co.nz with trick of the trade in the subject line.
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More information on cooking from the Otago Polytechnic can be found on www.otagocookeryl4.blogspot.com
