Sauté the garlic, onion and chilli in 1 tablespoon of oil. Add 1 shot of water and steam until it has evaporated. Pour 1 liter of water and bring to the boil. Stir in the broth. Add corn (up to 4 tablespoons) and simmer for about 10 minutes.
Cook the beans separately in salted water for 10 minutes.
Cut the sausages into small pieces and fry them in 1 tablespoon of oil until crispy.
Drain the beans. Puree the soup well. Season with pepper / salt, mustard and lemon juice. Add tomatoes, beans, the rest of the corn and roasting balls, simmer for 2-3 minutes and serve.