8 oz. part-skim mozzarella cheese, shredded (about 2 cups), divided
1 pound part-skim ricotta cheese, (2 cups)
Freshly ground pepper, to taste
¼ tsp. salt
¼ cup chopped fresh basil
1 28-ounce can crushed tomatoes, preferably chunky
1 pound frozen spinach, thawed
¼ cup water
4 cups sliced mushrooms, (10 ounces)
1 pound lean spicy Italian turkey sausage, casings removed, or vegetarian sausage-style soy product
8 oz. whole-wheat lasagna noodles