Tomatoes are a fruit commonly used as an ingredient in cooking around the world. They have soft skin and a juicy interior and can be found in a variety of colors, including red, yellow, orange and green. Tomatoes are rich in vitamins C and K, potassium, and antioxidants, making them a healthy option to include in a balanced diet. Tomatoes are used in a variety of dishes, from salads and sauces to soups and stews. They are also a popular ingredient in pizza and in the preparation of sandwiches and burgers.