Saute the Onion and Garlic: Preheat the pan on low heat. Add extra virgin olive oil and cook the onions for two minutes. Then add the minced garlic and crushed chili, and cook for one more minute while continuously stirring.
Cook the Tomato Sauce: Add the tomato polpa, salt and pepper, and cook for 15 minutes on low heat with the lid closed. While the sauce is cooking, cook the pasta as instructed on the packet. When the pasta is al dente, keep a little bit of pasta water before draining the pasta.
Add the Pasta Water: When the sauce is cooked, lower the temperature to minimum, add parsley, add the cooked pasta and 2 tablespoons of pasta. Stir from bottom up to coat all the pasta with the sauce. Garnish with parsley and Parmesan cheese to serve.