01 -
Preheat the oven to 375°F (190°C).
02 -
Cook the jumbo pasta shells according to package instructions until al dente. Drain and set aside.
03 -
In a large skillet over medium heat, cook the ground beef until browned. Drain excess fat.
04 -
Add the chopped onion and minced garlic to the skillet and cook for 2-3 minutes until softened.
05 -
Stir in the Italian seasoning, salt, and black pepper. Remove from heat and let cool slightly.
06 -
In a bowl, mix the ricotta cheese, shredded mozzarella, Parmesan, and egg until well combined.
07 -
Stir the cooled beef mixture into the ricotta filling.
08 -
Spread 1 cup of marinara sauce in the bottom of a baking dish.
09 -
Fill each cooked shell with the beef and ricotta mixture and place in the baking dish.
10 -
Pour the remaining marinara sauce over the stuffed shells and sprinkle with the additional mozzarella cheese.
11 -
Cover with foil and bake for 25 minutes. Remove the foil and bake for another 10 minutes until the cheese is bubbly and golden.
12 -
Garnish with fresh basil before serving.