Preheat oven to 450. Spray a baking pan or grease with olive oil. Toss cauliflower with all ingredients except ¼ c. parsley and Aleppo pepper. Cover tightly with foil and roast 15 minutes covered. Uncover and roast 10 minutes more or until beginning to brown. Sprinkle with remaining ¼ c. parsley and Aleppo pepper. Serve warm or at room temperature.