In 1657 a Frenchman opened a shop in London at which solid chocolate for making the beverage could be purchased at 10 to 15 shillings per pound. At that price only the wealthy could afford to drink it, and there appeared in , , and other European capitals fashionable chocolate houses, some of which later developed into famous private clubs. In London many chocolate houses were used as meeting places as well as high-stakes spots, notably Cocoa-Tree Chocolate-House (later the Cocoa-Tree Club), which opened in 1698, and White’s, which was opened by Francis White in 1693 as White’s Chocolate-House. About 1700 the English improved chocolate by the addition of . The reduction of the cost of the beverage was hampered in by the imposition of high import duties on the raw cocoa bean, and it was not until the mid-19th century, when the duty was lowered to a uniform rate of one penny per pound, that chocolate became popular. 1 of 2Food history: How to make German Black Forest cakeLearn more about the history of the German Black Forest cake.(more)See all videos for this article2 of 2How to make Belgian chocolatesLearn how Belgian chocolates are made.(more)See all videos for this articleMeanwhile, the making of chocolate spread overseas and grew in sophistication. Chocolate manufacture started in the in 1765 at Dorchester, , using beans brought in by sea captains from their voyages to the . financed the first mill, which was operated by an Irish immigrant, John Hanan. Waterpower was used for grinding the beans. In the in 1828, patented a process for pressing much of the , or , from ground and roasted cocoa beans and thus obtaining cocoa powder. In 1847 the English firm of combined cocoa butter with and to produce —the base of most chocolate confectionary—and in 1876 of added dried milk to make milk chocolate. The proliferation of flavoured, solid, and coated chocolate foods rapidly followed. Production of chocolate Know about the MIT Laboratory for Chocolate Science dedicated to the science, history, politics, and economics of chocolateOverview of the Laboratory for Chocolate Science, a student activity at the Massachusetts Institute of Technology (MIT).(more)See all videos for this articleChocolate is made from the kernels of fermented and roasted cocoa beans. The kernels are ground to form a pasty fluid chocolate liquor, which may be hardened in molds to form bitter (baking) chocolate, pressed to reduce the cocoa butter content and then pulverized to make , or mixed with sugar and additional cocoa butter to make sweet (eating) chocolate. The addition of dried or concentrated milk to sweet chocolate produces ., Chocolate is a food made from roasted and ground cocoa beans that can be a liquid, solid, or paste, either by itself or to flavor other foods. Cocoa beans are the processed seeds of the cacao tree (Theobroma cacao). They are usually fermented to develop the flavor, then dried, cleaned, and roasted., chocolate, food product made from cocoa beans, consumed as candy and used to make beverages and to flavour or coat various confections and bakery products. Rich in carbohydrates, it has several health benefits and is an excellent source of quick energy..