2.Halve potatoes lengthways, cut each half into wedges. Place wedges, in single layer, in large shallow baking dish, spray with oil, sprinkle with salt and pepper. Bake, uncovered, about 30 minutes or until browned and crisp, turning occasionally.
3.Meanwhile, place tomato, onion, sugar, vinegar and mustard in medium saucepan, bring to the boil. Reduce heat, simmer, uncovered, about 30 minutes or until relish thickens.