Creating Baked Italian Meatballs is simple when you follow these easy steps:

1. Preheat the Oven: Set your oven to 400°F (200°C) and line a baking sheet with parchment paper.
2. Mix Ingredients: In a large bowl, combine the ground beef, breadcrumbs, Parmesan cheese, parsley, onion, garlic, egg, oregano, basil, salt, black pepper, and red pepper flakes. Mix until well combined.
3. Form Meatballs: Using your hands, shape the mixture into meatballs, about 1 to 1.5 inches in diameter. Place them on the prepared baking sheet, spacing them evenly.
4. Bake: Bake the meatballs in the preheated oven for 25-30 minutes, or until they are cooked through and golden brown.
5. Heat Marinara Sauce: While the meatballs bake, heat the marinara sauce in a saucepan over medium heat.
6. Serve: Once the meatballs are done, serve them hot with the marinara sauce poured over the top or on the side.

By following these straightforward steps, you can create mouthwatering Baked Italian Meatballs that will leave everyone asking for seconds!