Break up cauliflower into bits and pieces. Place cauliflower and 2 tablespoons water in 2 quart casserole. Cover and cook in microwave on High for 3 to 4 minutes or until cauliflower is tender. Remove and let stand covered. Combine onion, celery, parsley and margarine in 1 quart casserole. Cook in microwave on High until vegetables are tender. Halfway through cooking time, stir vegetables. Dissolve vegetarian chicken seasoning in 1 cup boiling water, cornstarch, soy sauce and pepper. Pour into onion mixture. Cook in microwave on High for 2 minutes or until thickened. Drain cauliflower and place in serving dish. Spoon sauce over cauliflower. Yield: 6 servings.