How to Make It
Combine the pork roast, broth, tomatoes and their liquid, garlic, red pepper, and salt in a 6- to 8-quart slow cooker. Cover and cook on high 6 hours.
Add the pasta; cover and cook 10 minutes. Add the spinach; cover and cook until the pasta is al dente, 2 minutes. Serve topped with the Parmesan.