Cook the pasta in boiling salted water according to package instructions, then drain. In the meantime cut the bacon into small pieces. Peel and finely chop the onion. Clean, wash and chop the tomatoes. If necessary, cut the peperoncino a little smaller. Heat olive oil, fry bacon in it. Add onion and fry until transparent.
Add tomatoes and stock. Season with salt and pepper, cook over high heat for 2 minutes. Pluck basil leaves, wash and pat dry. Grate cheese. Stir sausage, half of the cheese and basil into the sauce, season again. Arrange pasta and sauce in portions, sprinkled with the rest of the cheese. Serve garnished with fresh basil