1, the basic ingredients of the bought ketchup are tomatoes, vinegar, sugar, salt, allspice, cloves, cinnamon, onions, celery and some flavor enhancers, preservatives. Before eating according to their own taste add salt, pepper, sugar, etc., with hot oil heating and frying, the taste will be greatly enhanced.

2, ketchup is a concentrated product of fresh tomato sauce. Bright red sauce, with the unique flavor of tomatoes, is a characteristic condiment, generally not directly into the mouth. Ketchup from ripe red tomatoes by crushing, pulping, removing the skin and seeds and other coarse and hard substances, after concentration, canning, sterilization and become. Ketchup is often used as a cooking condiment for fish, meat and other foods, and is an excellent flavor that adds color, acidity, freshness and aroma. The use of ketchup is an important part of the flavor characteristics of Hong Kong and Guangdong cuisine.