Growing food indoors need not mean pots of compost to be invaded, as they often are, by ants and other creepy-crawlies as, you will be pleased to know, compost/soil is not necessary for some plants to thrive: water will suffice.
The simplest edibles to grow in shallow containers of water placed on a bright – not hot – indoor window ledge are those that can be re-grown from vegetable ‘waste’ with the following being ideal.
The bottom one inch of green onions with a little root intact, the bases of bok choy, celery, garlic, lettuce and onions, all grow, usually quite fast. This makes for a nice crop of tasty greens which are perfect for use in salads, stir fries, omelettes and plenty of other dishes too. The top half inch of a carrot sends up feathery green shoots in a matter of days when placed in a shallow container of water, and these are great for salads, sandwiches, garnish and even in raita. Remember to top up the water regularly and, in the case of spring onions, ensure that they do not fall over.