INGREDIENTS
6
boneless, skinless chicken breasts
2
Tbls olive oil
1
lg onion, thickly sliced
1/2 tsp
Italian Seasoning
32 oz
pasta/spaghetti sauce {use your favorite, the flavors just intensify during cooking}
1/2 cup
parmesan cheese {I used shaved Parmigiano Reggiano that I had on hand}
1 cup
+ grated mozzarella cheese