Tomato sauce not only enhances the flavour of a plate of spaghetti or a piece of pizza, but it also contains important nutrients. A small amount of tomato sauce provides half of your daily calcium and a fourth of your multivitamin A requirements. Tomatoes are high in the antioxidant lycopene, which is found naturally in the fruit. Tomato sauce can be high in fibre depending on how it is cooked. Tomato sauce is used in a variety of cuisines all around the world. Tomato sauce is both cost-effective and nutritionally beneficial. The sauce has earned its place in the kitchen as a must-have ingredient.