Baked Mozzarella Stuffed Meatballs

1. Preheat and Prepare:
   • Preheat the oven to 400 degrees Fahrenheit. Position the oven rack in the lower 1/3 of the oven.
   • Grease or prepare a baking dish.
2. Prepare Meatball Mixture:
   • In a large bowl, combine grated onion, chopped parsley, grated Parmesan cheese, bread crumbs, egg, 2 tablespoons of marinara sauce, minced garlic, red pepper flakes, salt, and pepper.
   • Mix the ingredients thoroughly.
   • Add the ground beef into the mixture and combine using your hands.
3. Shape and Stuff Meatballs:
   • Divide the meat mixture into 16 portions and shape them into meatballs.
   • Create a hole in the center of each meatball and insert a cube of mozzarella cheese. Close and reshape the meatball to cover the cheese completely.

1. Bake:
   • Spoon 1/3 cup of marinara sauce into the bottom of the prepared baking dish.
   • Place the stuffed meatballs in the baking dish.
   • Drizzle a little extra virgin olive oil over the meatballs.
   • Bake in the preheated oven for approximately 15 minutes or until the meatballs are thoroughly cooked.
2. Serve:
   • Once done, remove the meatballs from the oven.
   • Serve the delicious cheesy stuffed meatballs hot and enjoy!

This recipe yields flavorful meatballs with a delightful surprise of melted mozzarella cheese in the center. Adjust the seasonings according to your taste preferences and serve them as a perfect appetizer or main dish!