Combine first 5 ingredients in an 8-inch square baking dish, and stir well. Add potatoes to milk mixture, and toss gently to coat. Cover dish with plastic wrap, and vent. Microwave mixture at high 9 minutes, stirring after 4 minutes. Arrange chicken in bottom of dish, nestling into potatoes, and top chicken with green onions and cherries. Microwave at high 7 minutes or until chicken is tender.