Peel and dice the ½ onion. Wash, trim and roughly chop the 350 g broccoli. Clean and roughly chop the 100 g celeriac. Peel and coarsely chop the 200 g potato.
Heat the 1 tbsp coconut oil in a saucepan and sauté the onions in it until translucent.
Add the broccoli, celeriac and potatoes and sauté briefly.
Pour in the 1 liter water, add the 2 tbsp soup seasoning and 1 tsp salt.
Bring to the boil, then reduce the heat and simmer for 20 minutes, until the vegetables are tender.
In the meantime, wash, pluck and finely chop the 25 g parsley.
After the cooking time, puree the soup in a blender, fold in the parsley, fill into small bowls and serve!