1. In a large skillet, heat olive oil over medium heat. Add chopped onions and minced garlic, cooking until soft.

2. Add ground beef and Italian sausage, browning until no longer pink. Drain excess fat.

3. Stir in crushed tomatoes, tomato paste, basil, oregano, salt, and pepper. Simmer 20–25 minutes.

4. In a bowl, combine ricotta cheese, egg, 1/4 cup Parmesan, a pinch of salt and pepper. Mix until smooth.

5. If using regular noodles, boil in salted water until al dente. Drain and lay flat on a towel.

6. Preheat oven to 375°F (190°C). In a 9×13-inch dish, spread a thin layer of sauce.

7. Add a layer of noodles, ricotta mixture, mozzarella, and more sauce. Repeat for 3 layers.

8. Top with remaining sauce, mozzarella, and the rest of the Parmesan.

9. Cover with foil and bake for 25 minutes. Uncover and bake 20 more minutes until bubbly.

10. Let rest 10–15 minutes before slicing and serving.