You can boost the flavour of a host of dishes just by using staples from your store cupboard. Tins of chopped tomatoes, beans, pulses and similar basics are essential to have on hand. Similarly, a good selection of spices, pastes and good-quality stock cubes won't go amiss. More experienced or adventurous home cooks will also find that ingredients like preserved lemons and harissa can bring new levels of flavour to familiar dishes.

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