Put one tortilla on a plate and spread with the Sweet Pepper Relish. Sprinkle with the grated cheese then arrange the ham, pepper and tomato on top. Add the other flour tortilla and press down well.
Heat the oil in a large frying pan. When hot, slide the quesadilla into the pan. Cook for about 1 minute until browned. Place the plate on top of the pan then invert the pan so that the tortilla falls out onto the plate. Slide the quesadilla back into the pan to cook the other side.
Cut into wedges and serve hot.