Creating Tuscan Sausage Pasta in Creamy Sauce is simple when you follow these clear steps:

1. Cook the Pasta: Start by boiling a large pot of salted water. Add penne pasta and cook according to package instructions until al dente. Drain and set aside.
2. Brown the Sausage: In a large skillet, heat olive oil over medium heat. Add Italian sausage, breaking it into small pieces, and cook until brown and cooked through, about 5-7 minutes.
3. Sauté the Aromatics: Add minced garlic to the pan with the sausage and cook for an additional 1-2 minutes. If desired, sprinkle in red pepper flakes for extra heat.
4. Prepare the Sauce: Pour in heavy cream and stir well. Bring the mixture to a gentle simmer while adding the grated Parmesan cheese, and stir until melted and creamy.
5. Add Spinach and Season: Incorporate the chopped spinach and Italian seasoning into the sauce. Cook until the spinach wilts. Season with salt and pepper to taste.
6. Combine Pasta and Sauce: Add the cooked penne to the skillet, tossing everything together until the pasta is well-coated with the creamy sauce.
7. Garnish and Serve: Remove from heat and garnish with fresh basil. Serve hot, and enjoy every comforting bite.