A London bun, also known as a candlegrease bun or a finger bun in Australia, is a finger-shaped or elongated bun

Bun

A bun is a small, usually sweet, bread. Commonly they are hand-sized or smaller, domed in shape, with a flat bottom. A bun can also be a savory bread roll similar to a bap or barmcake....

 made of rich yeast

Yeast

Yeasts are eukaryotic micro-organisms classified in the kingdom Fungi, with 1,500 species currently described estimated to be only 1% of all fungal species. Most reproduce asexually by mitosis, and many do so by an asymmetric division process called budding...

 dough

Dough

Dough is a paste made out of any cereals or leguminous crops by mixing flour with a small amount of water and/or other liquid. This process is a precursor to making a wide variety of foodstuffs, particularly breads and bread-based items , flatbreads, noodles, pastry, and similar items)...

 flavored with either currant

Zante currant

The Zante currant , or currant are dried berries of small, sweet, seedless grape variety Black Corinth . The name comes from the Anglo-French phrase "raisins de Corinthe" and the Ionian island of Zakynthos , which was once the major producer and exporter...

s or caraway seeds and topped with white sugar icing

Icing (food)

Icing, also called frosting in the United States, is a sweet often creamy glaze made of sugar with a liquid such as water or milk, that is often enriched with ingredients such as butter, egg whites, cream cheese, or flavorings and is used to cover or decorate baked goods, such as cakes or cookies...

.

The London Bun is believed to been created at the Bun House in Chelsea

Chelsea, London

Chelsea is an area of West London, England, bounded to the south by the River Thames, where its frontage runs from Chelsea Bridge along the Chelsea Embankment, Cheyne Walk, Lots Road and Chelsea Harbour. Its eastern boundary was once defined by the River Westbourne, which is now in a pipe above...

, an establishment favoured by Hanoverian

House of Hanover

The House of Hanover is a deposed German royal dynasty which has ruled the Duchy of Brunswick-Lüneburg , the Kingdom of Hanover, the Kingdom of Great Britain, the Kingdom of Ireland and the United Kingdom of Great Britain and Ireland...

 royalty and demolished in 1839. Formerly a popular tea time bun it is now somewhat neglected even in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

. Its nearest still popular equivalent is the Bath bun

Bath bun

The Bath bun is a rich, sweet yeast dough shaped round that has a lump of sugar baked in the bottom and more crushed sugar sprinkled on top after baking...

, however the finger bun variant--often with pink icing--is a popular lunchtime staple amongst Australian school children.