First, preheat some olive oil in a pan over medium heat. Add the onion and sauté until it turns translucent.
2 tablespoons extra virgin olive oil, 1 yellow onion
Next, add the garlic, chili pepper, and red pepper flakes. Sauté for 1-2 minutes until fragrant.
3 garlic cloves, 1 chili pepper, 2 teaspoons red pepper flakes
Now add the crushed tomatoes. Season with salt and pepper, cover the pan, and let the sauce simmer for 15 minutes.
2 14-ounce cans peeled and whole San Marzano tomatoes, salt and pepper
In the meantime, cook the pasta in a pot filled with boiling salted water according to the package instructions. Reduce the cook time by 2 minutes to cook the pasta until al dente. Then save some pasta water, drain, and set aside.
12 ounces rigatoni
Add some pasta water and the chopped basil leaves to the sauce. Stir and let everything simmer for 2 more minutes.
pasta water, ¼ cup fresh basil leaves
Add the pasta to the sauce and toss until combined. Season with more salt and pepper if needed.
Garnish with freshly grated parmesan cheese and chopped basil leaves. Enjoy!
parmesan cheese (optional, but recommended)