Sauce, also known as Worcester sauce, is a British seasoning made from vinegar, onions, cloves, star anise and other spices. It has a dark brown color and a sweet, sour and slightly spicy taste. The sauce was introduced to Hong Kong from the United Kingdom long ago and then to Guangzhou. It has the characteristics of sour, sweet, fresh and fragrant, so it is often used to dip in various fried foods in Guangdong and Hong Kong dishes, and can also be used to cook dishes. <br />The sauce is a bit like hot sauce. It has a unique flavor, sweet, sour and slightly spicy taste, and has a unique and rich aroma. When used as food, it can increase appetite and is also a feature of the integration of Chinese and Western food cultures in Guangzhou.