Tomatoes are used to make various products; some of the most popular tomato-based food items include ketchup, pizza sauce, and salsa.  The red fruits are also eaten as a vegetable or used to make juices, sauces, soups, and stews. Tomatoes are a fruit used to make many different types of food products.  Tomatoes are also often the default option for salads, especially when no lettuce is found.