Step 1: Brown the Sausage: Heat oil in pot and cook sausage until browned.
Step 2: Sauté the Aromatics: Add onion and garlic; cook until fragrant.
Step 3: Add the Liquid Base: Pour in broth and water, scrape pot, bring to simmer.
Step 4: Cook the Pasta: Add pasta and seasoning; simmer until tender.
Step 5: Creamy Finish: Stir in cream and Parmesan until smooth.
Step 6: Add Greens: Add spinach or kale until wilted.
Step 7: Season and Serve: Adjust seasoning and serve hot.
