This recipe is for penne all'arrabbiata, an Italian pasta dish made with penne pasta, olive oil, garlic, red chili peppers, tomatoes, and parsley. The garlic and chili are sautéed in olive oil until golden brown. Chopped tomatoes are added and simmered for 20-25 minutes to create a sauce. Shortly before the sauce is finished, penne pasta is boiled and added to the pan to coat in the sauce. The dish is topped with chopped parsley and served.