Place a frying pan in low heat. Add olive oil and peperoncino. Add garlic. Once these 3 ingredients are well heated, add in pomodoro. Cook slowly on a low flame for 10-15 minutes. Once the tomato sauce is cooked, add a generous amount of parsley.In a large pot, add salt to water and bring to a boil. Throw in penne and cook the pasta al dente for 7-8. Remove from water and add to the frying pan with tomato sauce. Mix well and serve.