Spinach and Cheese Stuffed Manicotti

Name: Spinach and Cheese Stuffed Manicotti
Prep time: 45 min
Cook time: 1 h
Total time: 1 h 45 min
Cuisine: Italian
Ingredients: 15 ounces part skim ricotta cheese; 8 ounces shredded mozzarella cheese; 4 ounces cream cheese; 1/2 cup shredded Parmesan cheese; 10 ounces frozen spinach, (thawed & squeezed dry); 2 large eggs; 1/2 teaspoon salt; 1/2 teaspoon freshly ground black pepper; 1 box (12 to 14 shells) manicotti noodles; 4 cups marinara sauce ((jarred or homemade)); 1/2 cup shredded Parmesan cheese, (for topping)