Costermonger Costermonger Costermonger, coster, or costard is a street seller of fruit and vegetables, in London and other British towns. The term is derived from the words "costard" (a now extinct medieval variety of large, ribbed apple) and "monger" (seller), and later came to be used to describe hawkers in general. Some historians have pointed out that a hierarchy existed within the costermonger class and that while costermongers sold from a handcart or animal-drawn cart, mere hawkers carried their wares in a basket. Costermongers met a need for rapid food distribution from the wholesale markets (e.g., in London; Smithfield for meat,
Fruit preserves it imparts to the preserve. In America, marmalade is sweet. In general, jam is produced by taking mashed or chopped fruit or vegetable pulp and boiling it with sugar and water. The proportion of sugar and fruit varies according to the type of fruit and its ripeness, but a rough starting point is equal weights of each. When the mixture reaches a temperature of 104 °C (219 °F), the acid and the pectin in the fruit react with the sugar, and the jam will set on cooling. However, most cooks work by trial and error, bringing the mixture to a