No-Pasta Lasagna

Ingredients

• 2 lbs lean ground beef
• 1 1/2 lbs Italian sausage
• 2 cups mushrooms, sliced
• 4 cups sugar-free spaghetti sauce
• 3 lbs zucchini or 3 lbs peeled eggplants, sliced thin lengthwise
• 2 cups low-fat ricotta
• 1/2 cup chopped basil
• 4 cups low fat mozzarella, shreds
• 1 cup low-fat parmesan cheese, fresh grated
• 1 cup onion, chopped
• 3 garlic cloves, chopped
• dry oregano
• thyme
• salt
• pepper