Rub Brown Sugar Into Pork Chops. Place Chops In Shallow Dish And Pour Soy Sauce Over. Cover And Refrigerate. Allow To Marinate For One Hour. Pour The Cream Of Mushroom Soup Into The Crock Of A Slow Cooker. Remove Chops From The Soy Sauce And Place On Top Of Soup. Cover, And Cook On Low Until Very Tender, 6 To 8 Hours.