Wash and trim zucchini, grate and place in colander and drain over sink for 1/2 hour. Preheat oven to 375°F (190°C). Add butter to a skillet and melt over medium heat. Add onion, parsley, zucchini and sauté until tender, about 10 minutes. Stir in Mrs. Dash® Italian Medley, and cool mixture slightly. In a large bowl, beat eggs, add cheese and cream. Gently fold in zucchini mixture evenly in pan. Cook in the preheated oven for 18-20 minutes. Let stand for 10 minutes before serving.