First Bake the Chicken,

Ingredients

3/4 cup plain dry bread crumbs
1/2 tsp. Italian seasoning
1/4 tsp. garlic powder
4 boneless, skinless chicken breast halves
1 egg, beaten

Directions
Preheat oven to 400°. Combine bread crumbs, Italian seasoning and garlic powder in shallow dish. Dip chicken in egg, then crumb mixture; turn to coat.
Arrange chicken in 13 x 9-inch baking dish. Bake 20 minutes.

In the meantime….

Cook the 20 of Jumbo Pasta Shells according to instructions -let cool

Pour enough of your favorite spaghetti sauce  to lightly cover the bottom of a 13 x 9 shallow baking dish.

In a mixing bowl combine

1 (32oz) container of ricotta cheese
2 beaten eggs
1 cup of shredded mozzarella
1/2 cup of grated parmesan

Stuff Pasta Shell with mixture 1TB per shell and place in baking dish

Cut  the Baked Chicken into bite  size pieces and place on top of stuffed shells

Pour the remainder pasta sauce over shells sprinkle mozzarella over shells

Cook in preheated 350 degree oven for 40 minutes