Peel and finely dice the onion and garlic. Peel or clean and wash parsnips, celery and bell peppers. Cut vegetables into small pieces. Heat 2 tablespoons of oil in a large pot. Fry the onion, garlic, parsnips and celery for about 5 minutes while turning.
Add the strained tomatoes and stock, bring to the boil.
Rinse the beans in a sieve with cold water and let them drip off. Add to the soup with pearl barley. Simmer at medium heat for about 25 minutes.
Dab capers dry. Roast briefly with pumpkin and sunflower seeds in 2 tbsp. hot oil while turning. Take out and mix with chokeberries. Wash basil, shake dry and chop the leaves.
Finely grate the cheese. Season soup with salt and pepper. Sprinkle with basil and cheese. Serve with core mix.