Stirring in tomato paste is another surefire way to ... and garlic powder will turn the soup into the perfect sauce for your ...
Or, you can add a few scoops right into the jar. To take it to the next step up, you can saute the tomato paste in olive oil ...
Tomato soup and tomato sauce seem like very different recipes, but they're not as dissimilar as you think. You might even be able to use one to make the other.