Combine marmalade, lemon juice, soy sauce and garlic in saucepan. Mix cornstarch and water until smooth. Stir into marmalade mixture. Cook, stirring constantly until mixture thickens and boils. Parboil good supply of ribs about 20 min. In boiling water. Can be frozen in foil until ready for use. Grill ribs and brush with Sauce. Turn and brush again until all of Sauce is used up.