Sausage Stuffed Zucchini

Bahan-bahan (3 porsi)

• 3 medium (8-inch) zucchini, (end trimmed)
• ½ cup finely chopped onion
• 3 medium garlic cloves, (minced)
• ¾ pound lean turkey sweet Italian sausage
• ½ cup shredded Parmesan cheese
• ½ cup shredded mozzarella cheese
• ½ cup tomato- basil marinara sauce
• 3 tablespoons chopped fresh basil
• additional cheese to sprinkle on top
• salt and pepper