Drying brings out the natural sweetness in tomatoes, and sun-dried tomatoes lend robust flavor to a variety of dishes. You can find them in many grocery stores, or you can make them at home, either by drying them in the sun under a cheesecloth or by baking them at low heat in the oven.

Many dieters enjoy the warmth and sensation of comfort foods, such as a bowl of hot soup on a cold day. While soup can play an important role in weight loss, it may also provide various nutrients, depending on the ingredients. Heinz cream of tomato soup is one variety of soup sold in the United Kingdom.

The glycemic index, or GI, is a ranking tool that focuses on the glycemic loads of foods. The GI uses a numeric scale from zero to 100 to describe how much each food alters blood sugar levels. One 5-ounce tomato has a GI of less than 15, which is low.