Cook the pasta

• Bring a large pot of salted water to a boil.
• Cook the pasta until al dente, then drain, keeping a little cooking water.

Sauté the garlic

• Heat the olive oil in a large pan over medium heat.
• Add the garlic and cook until fragrant and lightly golden.

Add tomato paste and spice

• Stir in the tomato paste and cook it out briefly.
• Season with the chili flakes.

Pour in the cream

• Add the heavy cream and stir everything together.
• Let it simmer gently until slightly thickened.

Get cheesy

• Stir the grated parmesan and butter into the sauce until melted and glossy.
• Season with salt.

Combine and serve

• Toss the drained pasta into the sauce, loosening with a splash of cooking water.
• Serve hot with extra parmesan.