Tofu Spinach Lasagna

Name: Tofu Spinach Lasagna
Prep time: 45 min
Cook time: 30 min
Total time: 1 h 15 min
Cuisine: European, Italian, Mediterranean
Ingredients: 9 lasagna noodles; 1 medium onion, chopped; 3 garlic cloves, minced; 1 tablespoon olive oil; 2 cups sliced fresh mushrooms; 1 package (14 ounces) firm tofu; 1 carton (15 ounces) part-skim ricotta cheese; 1/2 cup minced fresh parsley; 1 teaspoon salt, divided; 2 packages (10 ounces each) frozen chopped spinach, thawed and squeezed dry; 1-3/4 cups marinara or meatless spaghetti sauce; 1 cup shredded part-skim mozzarella cheese; 1/3 cup shredded Parmesan cheese