Combine the tomato paste and water in a saucepan and heat over medium heat, occasionally stirring, until the sauce comes to a boil.
Reduce the heat and let the sauce simmer for about 10-15 minutes. And that's it!
Notes
You can add sugar, herbs, and spices to make the sauce exactly how you like it.Some of the ingredients you can add include sugar, oregano, basil, rosemary, black pepper, red pepper flakes, onion, garlic, or a whole combination of Italian seasoning.