Cook the noodles to al dente, according to their package directions. Drain and return to the pot.
1 16 oz box ziti pasta
While the noodles are cooking, cook the ground beef, sausage, and onion in a large skillet. Cook and crumble until both are cooked through and no pink remains. Strain off any grease.
1/2 pound ground Italian sausage, 1 lb lean ground beef, 1 large yellow onion
Transfer the cooked meat mixture to the pot with the cooked and drained noodles. Add the sauce and seasonings, then stir until evenly combined. Set aside
1 tsp garlic powder, 1 tsp Italian seasoning, 1/4 tsp dried oregano, 2 24 oz jars pasta sauce
Add the beaten egg to the ricotta cheese, stirring to combine.
24 oz ricotta cheese, 1 egg
Spray a 9x13" baking dish with non stick cooking spray. Spread half the noodle mixture in the dish.
Add half of the ricotta and spread out in an even layer. Sprinkle half the mozzarella cheese evenly out over top. Repeat the layers one more time.
4 cup shredded mozzarella cheese
Bake at 350° for 25-30 minutes.
Let the dish rest for 10 minutes, then serve warm & enjoy!