Spicy Sephardic Simmered Cabbage

A saucy, savoury and hot simmer of cabbage, peppers and tomatoes, enlivened with chillies and curry spices. For a full meal, meatballs may be sautéed and added, then the whole thing served with steamed rice prepared the Iranian way, with crispy Tah Dig at the bottom (this is made by sprinkling about a third of some half-cooked rice over the bottom of a heavy pan with a generous amount of butter melted into it, letting it brown a little, then adding the rest of the rice, covering it with a c