Winter lentil, barley and vegetable soup

Method

1. Heat oil in a large pot over medium heat
2. Add onion, celery and carrot and cook gently until softened
3. Add garlic, barley, lentils, cumin, coriander, paprika, chilli and stock cube and cook while stirring for a further minute. Crush the stock cube while stirring.
4. Add tomatoes, water and vinegar and simmer gently for approximately 1 hour or until the barley and lentils have softened
5. If the soup becomes too thick, add more water.