Zubereitung

1. 1

   Finely chop the garlic and onion and sweat them slowly in olive oil over medium heat until soft and fragrant.

2. 2

   Pour in the passata, season with salt and pepper and let the sauce reduce gently until silky.

3. 3

   Cook the spaghetti in plenty of salted water until al dente, then drain, reserving a little pasta water.

4. 4

   Toss the pasta with the sauce and a splash of pasta water, scatter with basil and Parmigiano and serve.