4 medium tomatoes (760g), chopped finely

1 small brown onion (80g), chopped finely

2 tablespoons brown sugar

2 tablespoons red wine vinegar

1 teaspoon mustard powder

• Heat all ingredients in medium saucepan; bring to a boil. Reduce heat; simmer uncovered, about 30 minutes or until relish thickens.

(Ref . www.melbournetomato.com.au)