1 16oz box medium pasta shells prepared according to pkg directions.

1 tablespoon olive oil

1 small onion, chopped

2 cloves garlic, minced

1 lb ground beef

1 tablespoon Italian seasoning

salt and pepper to taste

1 26oz jar spaghetti sauce

1/4 cup grated fresh parmesan cheese

1 cup ricotta cheese

1 egg

2 1/4 cups shredded mozzarella cheese, divided



Heat olive oil in a large skillet.  Add onion, and cook until translucent.  Add beef and garlic;  cook until no longer pink, drain off grease.  Add Italian seasoning, salt, and pepper. 



While beef is cooking, mix together in a small bowl, ricotta, parmesan, 1/4 cup mozzarella, and egg.  Stir into cooked beef.  Gently stir in cooked shells. 



Spray a 9x13 baking dish with non stick spray.  Spread 1/2 of the spaghetti sauce on bottom of dish.  Spoon shell and beef mixture into dish.  Top with remaining sauce and 2 cups mozzarella.  Bake at 350° about 30 minutes, or until cheese is melted.