Set oven to 325 .In dutch oven or a 5 guart heavy ovenproof pot ,combine soup mix,water,soy sauce,brown sugar and ginger add pot roast.
Cover and bake 2 hours.Add potatoes and baked covered 1 hour or until beef and potatoes are tender.
Remove roast and potatoes to serving platter keep warm.Save juices for gravy .
In small cup, with wire whisk blend water and flour. In dutch oven,add flour mixture to reserved juices.Bring to boil over high heat .Boil stirring occasionally, 2 minutes. Serve with roast and sweet potatoes.makes 6 servings