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.

Brown the sausage

• Heat the olive oil in a frying pan over medium-high heat.
• Add the crumbled sausage and cook until golden and cooked through.

Build the sauce

• Add the onion and garlic to the pan and soften.
• Stir in the tomato paste and cook briefly.
• Pour in the cream and let it thicken slightly.

Combine and serve

• Add the drained pasta to the pan and toss to coat, loosening with a splash of pasta water if needed.
• Stir in the grated parmesan and season with salt and black pepper.
• Serve immediately.