Zucchini Casserole

Bahan-bahan (8 porsi)

• 1 pound Roma tomatoes (sliced ¼” thick)
• 1 ½ pounds zucchini (sliced ½” thick)
• ½ teaspoon Italian seasoning
• 1 ½ tablespoons olive oil
• 1 clove garlic (minced)
• salt and pepper to taste
• chopped fresh parsley (and basil, for serving)
• 1 tablespoon olive oil
• ½ onion (finely chopped)
• ¼ cup bread crumbs
• 2 tablespoons melted butter
• ¼ cup shredded Parmesan cheese
• ⅔ cup shredded mozzarella cheese