Chicken Parmesan Burgers

Bahan-bahan (4 porsi)

• 2 tablespoons olive oil (divided)
• ¼ cup finely diced onion
• 1 clove garlic (minced)
• 1 pound ground chicken
• ¼ cup seasoned bread crumbs
• ¼ cup grated Parmesan cheese
• 2 tablespoons milk
• 2 tablespoons chopped fresh parsley
• ½ teaspoon Italian seasoning
• ½ cup marinara sauce
• 1 cup shredded mozzarella cheese
• 1 ½ tablespoons shredded Parmesan cheese
• 1 tablespoon garlic butter (or butter)
• 4 brioche buns (or hamburger buns)
• fresh basil leaves (and tomato slices for serving, optional)