Buy from us both, tomato sauce and puree to meet your different purposes. Tomato sauce is a low calorie and fat condiment with a sweet and tangy flavour. You may be surprised at how common the use of ketchup really is. There are many chicken and seafood dishes that use it. In fact, any food can be made tastier with ketchup. Fresh tomato puree on the other hand is cooked to make different dishes. It is a ready to use puree, which can be used as an essential ingredient. In order to make tomato pure, tomatoes are lightly cooked and then pured.