• 20 large pasta shells: Provides the base for stuffing.
• 1 lb lean ground beef: Adds protein and a savory flavor.
• 1 cup ricotta cheese: Adds creaminess to the filling.
• 1 ½ cups shredded mozzarella cheese, divided: Melts into a gooey, cheesy topping.
• ½ cup grated Pecorino Romano cheese: Adds a salty, nutty flavor.
• 1 large egg, beaten: Helps bind the filling.
• 2 ½ cups tomato basil sauce: Adds a rich, tangy tomato flavor.
• 1 tsp dried oregano: Adds an earthy, aromatic flavor.
• 2 cloves garlic, minced: Adds a fragrant, savory taste.
• Salt and black pepper, to taste: Enhances overall flavor.
• Fresh parsley, chopped (for garnish): Adds a fresh, herbaceous touch.