A Berwick cockle is a Scots

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 style sweet (candy) coloured white with red stripes originally associated with Berwick-upon-Tweed

Berwick-upon-Tweed

Berwick-upon-Tweed or simply Berwick is a town in the county of Northumberland and is the northernmost town in England, on the east coast at the mouth of the River Tweed. It is situated 2.5 miles south of the Scottish border....

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. They are presumably named in reference to their cockle-like

Cockle (bivalve)

Cockle is the common name for a group of small, edible, saltwater clams, marine bivalve molluscs in the family Cardiidae.Various species of cockles live in sandy sheltered beaches throughout the world....

shape, the moulding process giving a flattened shape with an equatorial rib. They are sold loose by weight in paper bags, traditionally in "quarters" - a quarter of a pound. They were originally made and sold in Berwick-upon -Tweed by the Cowe family.