Vegetable broth

1 large potato

1 white onion

1 stalk celery

2 carrots

1 zucchini

1 tbsp tomato puree

A few sprigs of parsley

2 liters of water

Coarse salt

  

Peel the vegetables and cut them into pieces. Place them in a pot with the water, add the tomato puree and some salt and bring to a boil. Add the parsley (including stems) and cook for about an hour over medium heat, covered with a lid. If necessary, season with salt or vegetable granules  and strain the broth through a sieve.