Peel and finely dice the onion and garlic. Halve the pumpkin, scrape out the seeds, wash, clean and cut into small cubes. Clean the chilli, cut lengthwise, wash and remove the seeds.
Cut the pod into small pieces. Cut the salsicce into pieces.
Heat the oil in a large pan, fry the sausage in it and take it out. Fry the pumpkin in the frying fat for about 5 minutes. Add onion and garlic and fry for 2-3 minutes. Add chilli, season with salt, pepper and sugar.
Take out some pumpkin mixture, put aside. Deglaze remaining pumpkin with chunky tomatoes. Let simmer for about 10 minutes. Cook pasta in boiling salted water according to package instructions.
Wash the basil, dab dry. Pluck the leaves and chop them finely, except for a little to garnish. Mash the pumpkin in the sauce with a potato masher. Stir in remaining pumpkin, sausage, 150 g cream cheese and chopped basil, season to taste.
Drain the pasta, let it drain and mix it into the sauce. Crumble the rest of the cream cheese and sprinkle over the pasta. Serve garnished with basil set aside.