Plum cake fruit in these open tarts or flans is cut into suitably sized pieces and the cake is glazed: red glaze is recommended for red plum and rhubarb flans, whereas apricot glaze is recommended in yellow plum and apricot flans. The German plum cake, known as "Zwetschkenkuchen", can be found all over the country, although its home is Bavaria. In chef Robert Carrier's recipe for it, the base is made from yeast pastry rather than often used shortcrust pastry, because the yeast pastry "soaks up the juice form the plums without becoming soggy". In Italy, plum cake is known by the
Date-plum Date-plum Diospyros lotus, with common names date-plum, Caucasian persimmon, or lilac persimmon, is a widely cultivated species of the genus "Diospyros", native to subtropical southwest Asia and southeast Europe. Its English name derives from the small fruit, which have a taste reminiscent of both plums and dates. It is among the oldest plants in cultivation. The species area extends from East Asia to the west of the Mediterranean, down to Spain. The date-plum is native to southwest Asia and southeast Europe. It was known to the ancient Greeks as "God's fruit" (, "Diós pŷrós"), hence the scientific name of the