01 -
Turn the oven on to 375°F (190°C).
02 -
Cook the shells in boiling salted water until they’re just tender. Drain and let them cool a bit.
03 -
In a pan on medium heat, cook the ground beef. Add oregano and garlic, letting the flavors blend. Take it off the heat to cool.
04 -
Mix the beef (once cooled) with ricotta, 1 cup of mozzarella, Pecorino Romano, beaten egg, and season with salt and pepper. Stir until combined.
05 -
Spread 1 cup of tomato basil sauce evenly across the bottom of a baking dish.
06 -
Stuff the cooked shells with the cheesy beef mix and arrange them snugly inside the dish.
07 -
Pour the rest of the tomato sauce over the shells, then sprinkle the remaining mozzarella on top.
08 -
Cover the dish with foil and bake for 25 minutes. Take off the foil and bake for another 10 minutes until the cheese is melty and golden.
09 -
Top with parsley and enjoy while it’s warm.