vegetable broth • onion, chopped • carrots, coarsely shredded • chopped celery • Optional: 170 grams (6 ounces) fresh mushrooms, chopped • regular rolled oats • chopped parsley • Fresh or dry herbs like oregano, time, tarragon, chives, to taste • garlic • grated Parmesan or Romano cheese • eggs, beaten • ground nutmeg •