First, sauté the garlic in butter and sunflower oil for 2 minutes, then add the finely chopped onion and sauté for another 5 minutes.

Next, add the cherry tomatoes and simmer for 15 minutes. Then add salt, pepper, basil, chili powder, and tomato paste.

Now, thoroughly mash everything, add the tomato paste and pre-cooked spaghetti, and mix well. Let it sit for 3-4 minutes.