I'm making a different version of this. Instead of sprinkling a can of onion soup mixture, I put slices of Swiss cheese instead. Everything else is the same. This is also very good

*Ingredients :

°6 boneless, skinless chicken breasts
°6 slices of swiss cheese
°1 can (10.75 oz) heavy cream of chicken soup
°Half a cup of milk
°2 cups herb-seasoned stuffing mix
°Half a cup of butter

* Directions : 

Step 1
Heat oven 350 degrees F  (175 degrees C ).
Step 2
Organize chicken in grease 12 * 8 * 2 baking plate . Lay ing tranches Swiss cheese on top.
Step 3
Blending soup with milk &; stirring well. Pour blend on chicken also sprinkling with filling blending . Sprinkling butter  on crumb .
Step 4
Covering & baking at 350°F (175°C) about 50 min.

Enjoy !