#### **Step 1: Cook the Pasta**
Bring a large pot of salted water to a boil. Cook **rigatoni** according to package instructions until **al dente**. Drain and set aside, reserving **½ cup pasta water**.
#### **Step 2: Sauté the Aromatics**
Heat **olive oil** in a large skillet over medium heat. Add **onion** and sauté for **3 minutes** until soft. Stir in **garlic** and cook for **30 seconds** until fragrant.
#### **Step 3: Build the Sauce**
Stir in **tomato paste** and cook for **2 minutes** to deepen the flavor. Add **crushed tomatoes, red pepper flakes, oregano, smoked paprika, salt, and black pepper**. Simmer for **5 minutes**, stirring occasionally.
#### **Step 4: Add the Cream & Cheese**
Lower the heat and stir in **heavy cream, Parmesan cheese, and butter**. Mix well until the sauce is creamy and smooth. If needed, add **a splash of reserved pasta water** for a silkier consistency.
#### **Step 5: Toss the Pasta**
Add the **cooked rigatoni** to the sauce and toss until fully coated. Let it cook for **1-2 minutes** to absorb the flavors.
#### **Step 6: Serve & Enjoy**
Garnish with **extra Parmesan, fresh basil, and a pinch of red pepper flakes**. Serve hot and enjoy!