Wash zucchini but do not peel. Cut zucchini into 1/4-inch slices. Place zucchini and water in a deep, 1 1/2-quart, heat- resistant, non-metallic casserole. Heat, covered, in Microwave Oven 7 minutes or until zucchini is crisp-tender.
Drain water. Add butter or margarine and olive oil to zucchini, Heat, uncovered, in Microwave Oven 1 minute.
Add remaining ingredients and toss gently to combine. Heat, uncovered, 2 to 3 minutes in Microwave Oven until zucchini has reached desired degree of doneness.