Mash cooked beans. Mix it with cabbage, cumin seeds, chilli powder, cheese and salt.Divide into 2 balls and shape them to oval shaped patties of about ½ inch thickness. Coat with egg and then with breadcrumbs. Spread ½ tspn oil with a cloth onto a hot griddle (or use cooking spray). Cook these patties on medium heat till brown on both sides about 3-5 minutes. Heat Tortia on the same griddle till crisp. Serve one patty on a tortia topped with sour cream, salsa and cilantro.