Peel, wash and chop the potatoes. Peel and chop onion and garlic. Chard clean, wash. Cut leaves and stems separately into strips
Heat the oil in a large pot. Brown the onion, garlic and potatoes in it. Steam chard stems briefly and season. Pour in approx. 1 l water, bring to the boil and stir in broth. Cover and simmer for 10-12 minutes.
Wash, quarter, seed and finely dice the tomatoes. Add chard strips to the soup and simmer for another 5-7 minutes. Roast the seeds without fat, remove. Refine soup with crème légère and season to taste. Sprinkle seeds over it and slice parmesan cheese over it