In its pure form, tomato paste is commonly used as a source of tomatoes for cooking recipes, whether simple or elaborate.
And if we take first-class tomato paste and combine it with a properly selected mixture of herbs and spices, adding some salt in the process, it is a tomato sauce that we obtain in the end!
Authentic Korolivsky Smak tomato sauces are made just this way, in five most popular varieties.