Labne (or labna, labneh)
What? Drained yoghurt or yoghurt cheese, a staple of Middle Eastern cuisine, is made by straining thick natural yoghurt through muslin and a sieve overnight. It can be used as a spread or rolled into balls and marinated in olive oil and herbs.
Where? From delis and Middle Eastern food shops, or make your own.
How? Sweeten with icing sugar or honey and a little rosewater and use as an accompaniment to Middle Eastern-themed desserts. Spread on toast before adding sweetor savoury toppings. Roll into balls and roll in dukkah, zaatar or fresh chopped herbs to coat and serve as a canapé. 

Lap cheong
What? A red Chinese smoked pork sausage flavoured with star anise.
Where? Asian butchers and food shops.
How? Thinly slice lap cheong and add to fried rice, stir-fries, noodle dishes (such as the classic Malysian char kway teo) or chop and add to a stuffing for Asian-style roast chicken or pork.

Lapsang souchong
What? A Chinese black tea with a smoky flavour derived from the black tea leaves which are dried over burnt pine.
Where? From supermarkets and specialty tea suppliers.
How? In cooking, lapsang souchong can be used to add a smoky note, and colour, to poaching liquid in Chinese recipes such as tea eggs, or used to tea-smoke chicken, meat or fish using a wok.

Lemon myrtle
What? A native Australian leaf used as a spice to flavour sweet and savoury dishes, available dried, both as whole leaves and ground.
Where? From supermarkets and specialty spice suppliers.
How? Try substituting lemon myrtle where you would usually use lemon zest or lemongrass. It has quite a strong flavour so use sparingly to avoid overpowering the dish.

Limoncello
What? A lemon liqueur, originating from the south of Italy, usually served chilled as a digestivo after a meal.
Where? Available from selected bottle shops, or make your own.
How? Serve chilled on its own, use it to add a kick to citrus desserts, or make a fizzy sgroppino cocktail – add half a shot to a champagne flute with a small scoop of lemon sorbet and top up with prosecco or other sparkling wine.