Ketchup is a popular sauce known by many names - catchup, catsup, tomato ketchup, tomato sauce, red sauce, mustard, Tommy sauce.
Ketchup is a condiment primarily consisting of puréed tomatoes, onions, vinegar, sugar and spices.
The primary ingredients in a typical modern ketchup are tomato concentrate, spirit vinegar, corn syrup or other sugar, salt, spice and herb extracts (including celery), other spices and garlic powder. Allspice, cloves, cinnamon, onion, and other vegetables may be included.
A condiment is basically defined as a sauce, garnish, salt or spice ingredient used to give a special flavor to food.
Ketchup itself started as a general term for any sauce, typically made of mushrooms or fish brine with herbs and spices. Some popular early main ingredients included blueberry, anchovy, oyster, lobster, walnut, kidney bean, cucumber, cranberry, lemon, celery and grape.
Ketchup is a staple condiment in American homes and even restaurants, and is often paired with fast food such as french fries, hamburgers, sandwiches and grilled or fried meat. Many people also love ketchup on breakfast food such as eggs or ham. Ketchup can also be used as a base for various sauces and is an ingredient in many favorite family recipes, such as meatloaf.