"Bell apple." A variety of yellowish-green cooking apple which arose somewhere in central Europe. It keeps its shape on cooking and is sought after in Switzerland for making apple strüdel. This late-season variety is harvested in mid-October in South-East England and is at its best from December to April.
Cashew apple. The fruit of the cashew tree, which is eaten raw or used in jams (US: jellies). The cashew nut is found at the apex of the cashew apple.
"Celery potato." A starchy rhizome native to Colombia. Cooked in the same way as sweet potato or ground for flour. It is also known as the celery potato.
Potatoes boiled in their skins. Many many people mishear this as "pomme de terre en robe de chambre"; quite logically as this means 'potatoes in their dressing gowns". Five French friends who help me with this dictionary both report thinking that these were "pomme de terre en robe de chambre" when they were young.
A very small, western European apple with yellow skin blushed with red, crisp flesh and sour flavour. It has a distinctive shape. When cut open the cross section resembles a five pointed star with rounded points.
Air potato. An intrusive, but one of the most widely consumed varieties of yam cultivated in the Pacific Islands, Asia and West Africa. Uncultivated versions may be bitter and even poisonous (as in Florida).
