1 box jumbo shells, uncooked
1 lb. ground beef
1 lb. ground pork
4 eggs, slightly beaten
1 c. flavored bread crumbs
1 c. (4 oz.) shredded mozzarella cheese
3/4 c. finely chopped onions
3/4 tsp. oregano
1/2 tsp. salt
1/8 tsp. pepper
3 1/2 c. (32 oz. jar) spaghetti sauce
Grated Parmesan cheese, optional

Cook shells as directed on package; drain. Layer on wax paper to cool. Brown beef and pork in skillet; drain. Combine meat, eggs, bread crumbs, mozzarella cheese, onions, oregano, salt and pepper. Fill each shell with about 2 tablespoons meat filling.