Add the finely chopped garlic and continue to fry.
Add the tomato paste and fry for a couple of minutes.
Add the tomato sauce, stock, salt, pepper, oregano and mix.
Add the pasta and bring to a boil. Cover and cook until al dente. If necessary, you can add water.
Towards the end, remove the lid. And start stirring the pasta. Our task is not to cook them in water, but to cook them in sauce. That is, we should get al dente pasta with sauce and no excess moisture. When serving, you can sprinkle with Parmesan.