Preheat oven to 375° F. Spray 13 x 9-inch baking dish with cooking spray.
Bring water to boil, add pasta and cook for 10 minutes. Drain thoroughly.
While pasta is cooking combine pumpkin, ricotta, spinach, onion, garlic, salt, nutmeg and pepper. Add drained pasta to ricotta mixture; mix. Pour into prepared dish. Top with Parmesan Cheese.
Bake for 20 minutes. Turn oven to broil and broil for 1 to 3 minutes until top is bubbly and brown. Serve immediately.
Nutrition Information per serving: 382 calories; 6g total fat; 2g saturated fat; 18mg cholesterol; 474mg sodium; 60g carbohydrate; 13g fiber; 26g protein; 467mg calcium
Recipe and nutritional information courtesy of thebestlife.com