200 g dried spaghetti
200 g Italian fresh sausage (salsiccia), casings removed
2 tbsp olive oil (about 30 ml)
1 small onion, finely chopped (about 60 g)
1 garlic clove, finely chopped
400 g canned crushed tomatoes or passata
50 ml dry white wine
1/2 tsp fine sea salt, plus more for pasta water
Freshly ground black pepper, to taste
20 g freshly grated Parmesan or Pecorino Romano, plus extra for serving
A small handful fresh basil leaves, roughly torn (about 5 g)