In a 2 1/2 or 3 1/2 quart microwave safe casserole, combine the frozen cauliflower and 1/2 cup water. Micro-cook, covered, on 100% power (High) for 6 to 8 minutes or until the cauliflower is tender, do not drain. Cut up any large pieces. Mash all of the cauliflower slightly. Add the condensed cream ot potato and green pea soups to the cauliflower. Stir in the milk and Swiss cheese. Micro-cook, covered, on High 8 to 10 minutes or until cheese is melted and soup is heated through, stirring twice. Serves 6.