1.Separate coriander roots, stems and leaves. Wash and finely chop roots, stems and half the leaves; reserve remaining leaves to serve.
2.Heat oil in a large heavy-based saucepan over medium heat; cook onion, stirring, for 3 minutes or until softened. Stir in chopped coriander, garlic and seasoning mix; cook for 1 minute or until fragrant.
3.Increase heat to high and add mince; cook, stirring to break up any clumps, for 5 minutes or until well browned. Add pasta sauce, stock and beans; bring to the boil. Reduce heat to low; cook, covered, for 10 minutes. Skim and discard fat from surface. Season to taste.
4.Serve soup with tortilla chips, sour cream and topped with reserved coriander leaves
- Soup can be made to the end of step 3 up to 2 days in advance and refrigerated in an airtight container. Or freeze it for up to 3 months; thaw in the fridge, then reheat in a microwave.
* Divide soup among portion-sized airtight containers. Transport in cooler bags. Refrigerate until ready to serve. Reheat in a microwave. Alternatively, reheat soup at home and transport in a thermos.