- Diagonally slice the peas; finely dice the carrot; chop the celery strips and leeks.
- In a saucepan, heat oil and then add leeks, carrots and celery. At a medium heat cook for about 10 minutes.
- Stir in the vegetable soup and barley. Season to your taste and then let simmer for 20 minutes. Now add peas and again simmer foe 10 minutes.
- Pour into serving bowls and serve.