Ragu No Frying Chicken Parmesan

4 boneless chicken breasts
1 egg, beaten
3/4 cup Italian seasoned dry bread crumbs
1 jar (10oz.) Spaghetti Sauce
1 cup shredded mozzarella cheese

Dip chicken in egg then bread crumbs. Arrange chicken in 13 x9 baking dish. Bake uncovered at 400 for 20 minutes. Pour Sauce over chicken; top with cheese. Bake an addition 10 minutes until chicken is thoroughly cooked.