- Preheat the Oven:
- Preheat your oven to 375°F (190°C).
- Prepare the Meatballs:
- In a bowl, combine ground beef, breadcrumbs, grated Parmesan, chopped parsley, dried oregano, garlic powder, salt, black pepper, and the egg. Mix until well combined.
- Shape the mixture into meatballs, each about 1 inch in diameter.
- In a skillet, heat olive oil over medium heat. Cook the meatballs until browned on all sides and cooked through. Remove from heat and set aside.
- Assemble the Casserole:
- In a large baking dish, place the French bread cubes. Top with the cooked meatballs.
- Pour marinara sauce evenly over the meatballs and bread cubes.
- Sprinkle shredded mozzarella cheese and grated Parmesan cheese over the top.
- Bake:
- Bake in the preheated oven for about 20-25 minutes or until the cheese is melted and bubbly.
- Garnish:
- Remove the casserole from the oven and garnish with chopped fresh basil.
- Serve:
- Allow the casserole to cool for a few minutes before serving. Serve warm and enjoy your Meatball Sub Casserole!
This casserole captures all the flavors of a classic meatball sub in a convenient and shareable dish. It’s perfect for a family dinner or when you’re craving the flavors of a meatball sub without the fuss.