
Introduction:
We can find different kinds of cakes in the market, but few of them can maintain its original flavor. Orange Cake is the exceptional. Orange cake made in Tongan has as clean as jade surface. It is soft and easy to chaw in the mouth, tasty and refreshing. It is popular across the nation and renowned both at home and abroad.


Appendix:
the introduction of Orange
An orange, specifically, the sweet orange is the citrus and its fruit. The orange is a hybrid of ancient cultivated origin, possibly between pomelo (Citrus maxima) and tangerine (Citrus reticulata). It is a small flowering tree growing to about 10 m tall with evergreen leaves, which are arranged alternately, of ovate shape with crenulate margins and 4–10 cm long. The orange fruit is a hesperidium, a type of berry.


Oranges originated in Southeast Asia. The fruit of Citrus sinensis is called sweet orange to distinguish it from Citrus aurantium, the bitter orange. In a number of languages, it is known as a "Chinese apple" (e.g. Dutch Sinaasappel, "China´s apple", or "Apfelsine" in German). The name is thought to ultimately derive from the Dravidian word for the orange tree, with its final form developing after passing through numerous intermediate languages.