Mangia Lasagna Stuffed Peppers

Ingredients

• 4 large bell peppers
• 1 1/4 cups canned crushed tomatoes
• 1/2 cup light/low-fat ricotta cheese
• 2 tsp. chopped garlic
• 1 tsp. onion powder
• 1 tsp. Italian seasoning
• 3 tbsp. chopped fresh basil
• Dash nutmeg
• 1/2 tsp. salt
• 1/4 tsp. black pepper
• 12 oz. raw extra-lean ground beef (4% fat or less)
• 1 cup chopped onion
• 1/2 cup chopped mushrooms
• 4 cups roughly chopped spinach
• 1/4 cup shredded part-skim mozzarella cheese