1.Heat oiled large saucepan; cook onion and garlic, stirring, until onion softens.
2.Add tomato to pan; cook, stirring, about 3 minutes or until tomato softens. Add stock and sauce, bring to the boil. Reduce heat; simmer, covered, 15 minutes.
3.Stand tomato mixture 10 minutes, then blend or process, in batches, until almost smooth. Return tomato mixture to pan, stir in parsley and beans; simmer, uncovered, about 5 minutes or until hot.