6 stems of rhubarb, about 700 g
8 dl of water
2 dl sugar
4 tbsp potato flour
Rinse the rhubarb and cut them into pieces.
Boil water and sugar and add rhubarb. Boil until rhubarb soften.
Mix the potato flour with a small amount of water and add to the kettle in a thin strip with gently stirring. Let it boil fast.
Pour the soup into the bowl to cool and sprinkle some sugar on the surface.
Serve with milk or vanilla sauce.