Brown sauce
Brown sauce is a condiment that is normally dark brown in colour. The taste is either tart or sweet with a peppery taste similar to that of Worcestershire sauce. Brand's A.1. sauce was the first brown sauce and was introduced in 1831. Brown sauce is a condiment commonly served with food in the United Kingdom and Ireland. It is normally dark brown in colour. The taste is either tart or sweet with a peppery taste similar to that of Worcestershire sauce. Commercial sauces are a blend of tomatoes, malt vinegar, molasses, dates, spices and tamarind. Brown sauce is typically eaten with meals such as meat pies, full breakfasts, bacon sandwiches and chips. A combination of malt vinegar and brown sauce known simply as sauce or chippy sauce is popular on fish and chips in Edinburgh.
Source: Wikipedia