Cut pancetta into cubes. Heat olive oil in a pan, sauté pancetta. Add bell pepper and onion, deglaze with white wine, and add tomato. Cook for 10 minutes.
In a bowl, beat egg yolks with Parmesan cheese and pepper.
Boil pasta in abundant water (1 liter per 100g). Cook for 5.5 minutes after boiling.
Toss pasta in a pan, add carbonara base, and mix. Serve with a sprinkle of parsley.