Cook the macaroni

• Boil the macaroni in salted water until al dente.
• Drain and set aside.

Build the tomato base

• Heat the olive oil in a pan and sauté the garlic and onion until soft and fragrant.
• Stir in the tomato paste, pepper, chili flakes and salt and cook briefly.

Make it creamy

• Pour in the cream or milk and stir well.
• Add the grated parmesan cheese and let it melt into the sauce.

Finish the pasta

• Add the butter and the cooked macaroni to the sauce.
• Mix well until the pasta is evenly coated, then serve.