Wash, clean and slice the zucchini. Wash the thyme, shake dry and scrape the leaves off the stalks. Heat the oil in a pot. Sauté the zucchini and thyme in it. Deglaze with stock and 250 ml water. Add the barley and simmer for about 10 minutes
Pour the beans onto a sieve and let them drain. Wash the tomatoes and grate them dry. Add tomatoes and beans to the soup and simmer for another 3-4 minutes. Season with salt and pepper. Arrange the soup, sprinkle with cheese shavings