Clean, wash and cut the zucchini into fine strips. Wash the thyme, dab dry and pluck the leaves from the stalk. Wash the flesh, dab dry and cut into small cubes. Heat oil in a pot, fry meat in it while turning, add thyme, deglaze with stock and 200 ml water, add zucchini to the stock and cook for about 5 minutes. Season soup with salt, pepper and sherry and serve in a bowl