Cock-a-leekie soup this soup. The vegetarian version has leeks and may include mixed vegetables, chicken flavoured meat substitute and/or prunes. Cock-a-leekie soup Cock-a-leekie soup is a Scottish soup dish consisting of leeks and peppered chicken stock, often thickened with rice, or sometimes barley. The original recipe added prunes during cooking, and traditionalists still garnish with a julienne of prunes. While it is called "Scotland's National Soup", it probably originated as a chicken and onion soup in France. By the 16th century, it had made its way to Scotland, where the onions were replaced with leeks. The first recipe was printed in 1598,
Soup Boiling was not a common cooking technique until the invention of waterproof containers (which probably came in the form of clay vessels). Animal hides and watertight baskets of bark or reeds were used before this. To boil the water hot rocks were used. This method was also used to cook acorns and other plants. The word "soup" comes from French "soupe" ("soup", "broth"), which comes through Vulgar Latin "suppa" ("bread soaked in broth") from a Germanic source, from which also comes the word "sop", a piece of bread used to soak up soup or a thick stew. The word "restaurant"