Ketchup is a sweet and spicy condiment. The main ingredient used in the production of ketchup is tomatoes, and it affects the properties of ketchup to a large extent. This sauce has a pleasant taste and can be used with pizza, sandwiches, potatoes and many other foods. Ketchup can be considered as a rich source of sugar and sodium, but since it is not consumed in large quantities, it can be included in a healthy diet.