What is ketchup?

Ketchup is a sweet and savory tomato-based condiment made with tomato paste, sugar, vinegar and spices such as cinnamon, cloves and allspice. Friend to hamburgers, French fries, hot dogs and other all-American favorites, it is also an ingredient in barbecue sauce and Thousand Island dressing (mixed with mayonnaise). The British like to use it to garnish their bacon sandwiches, among other things. And it is surprisingly popular in France. ...