Lemon grass bunched together

Lemongrass

| le-mon gra-ss |

Lemongrass, or citronella, is a herb with a citrus-like flavour. Find out how to buy the best, and top tips to store, prepare and cook with lemongrass.

What is lemongrass?

Although lemongrass is central to Asian cuisine, especially Thai, it works well in Western dishes, too. Also called citronella or sereh, it grows in dense clumps, from which the individual stems are cut.

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Lemongrass look a little like fat spring onions, with the same swollen base, but the stalk is woodier, and composed of tightly packed grey-green leaves. The fragrance and flavour is unique – lemony, but sweet – and is quite subtle until the stalk is cut or bashed. The stalks are available freeze-dried, too.

How to prepare lemongrass

You can use lemongrass whole, sliced or pounded to a paste. To use whole, slice off the very bottom of the stalk, and peel off any dried-out layers, then bash the woody top end with a rolling pin to soften, and help release some of the aromatic oils.

Whole freeze-dried lemongrass can be prepared in the same way. For chopping or pounding, only the bottom seven or eight centimetres are edible – slice off and discard the rest. Then chop finely or pound to a pulp in a pestle and mortar.

How to cook lemongrass

Use whole lemongrass in stews and curries (remember to fish it out before serving). Chop and use to make marinades and soups or add to stir-fries. Use as a flavouring for crème brulee or steep a stalk in a bottle of vodka for cocktails (clean and bruise a lemongrass stalk, then put it in a nearly full bottle of vodka for 3-4 days, shaking occasionally; then remove the stalks).

How to store lemongrass

Stored wrapped, in the fridge, fresh lemongrass will keep for a couple of weeks. Freeze-dried whole lemongrass should be kept wrapped up, in a cool, dark place.

Availability of lemongrass

All year round.

Choose the best lemongrass

Fresh lemongrass stalks should feel firm and heavy, with no bruising. If it feels light, it will probably have dried out too much.

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Alternatives to lemongrass

Try lemon zest.