No-Noodle Zucchini Lasagna

INGREDIENTS

• 2 large zucchini
• 1 tablespoon salt
• 1 pound ground beef
• 1 1/2 teaspoons ground black pepper
• 1 small green bell pepper, diced
• 1 onion, diced
• 1 cup tomato paste
• 1 (16 ounce) can tomato sauce
• 1/4 cup red wine
• 2 tablespoons chopped fresh basil
• 1 tablespoon chopped fresh oregano
• hot water as needed
• 1 egg
• 1 (15 ounce) container low-fat ricotta cheese
• 2 tablespoons chopped fresh parsley
• 1 (16 ounce) package frozen chopped spinach, thawed and drained
• 1 pound fresh mushrooms, sliced
• 8 ounces shredded mozzarella cheese
• 8 ounces grated Parmesan cheese