Ketchup (or less commonly catsup), also known as Tomato Ketchup, Tomato Sauce, Red Sauce, Tommy Sauce, Tommy K, or Dead Horse,[1] is a condiment, usually made from tomatoes. The ingredients in a typical modern ketchup are tomato concentrate, spirit
vinegar, corn syrup or other
sugar,
salt, spice and herb extracts (including celery), spice and garlic powder[2].
Allspice, cloves, cinnamon, onion, and other vegetables may be included.
I knew that recipe looked familiar!