01 - Bring a large pot of salted water to a boil. Cook pasta according to package directions until al dente. Reserve ¼ cup of cooking water, then drain pasta.
02 - Heat olive oil in a large skillet over medium heat. Add onion and cook until translucent, about 3–4 minutes. Stir in garlic and cook for 1 minute more.
03 - Add crushed tomatoes, sugar, salt, pepper, and oregano to the skillet. Simmer gently for 8–10 minutes, stirring occasionally.
04 - Reduce heat to low. Stir in heavy cream and simmer for 2–3 minutes until sauce is creamy.
05 - Add drained pasta and reserved cooking water to the sauce. Toss thoroughly to coat.
06 - Remove from heat and stir in fresh basil and Parmesan cheese.
07 - Plate immediately, garnished with additional Parmesan and basil if desired.