1.Place Ribs In A Large Stock Pot, And Cover With Water. Bring To A Boil, And Cook For 15 Minutes. 2.In A Mixing Bowl, Mix Together Soup, Onion, Garlic, Brown Sugar, Worcestershire Sauce, And Soy Sauce. Remove Ribs From Water, And Transfer To A Slow Cooker. Pour Sauce Over Ribs. 3.Cover, And Cook On Low For 6 To 8 Hours, Or Until Ribs Are Tender. 4.If Sauce Is Too Thin When Cooking Time Is Done, Drain Sauce From Ribs, And Pour Into A Sauce Pan. Combine 1 Teaspoon Cornstarch With A Small Amount Of Cold Water, Stir Into Sauce, And Bring Sauce To Boil. Cook Until Sauce Has Reached Desired Thickness.