Shred beets and place in saucepan. Add just enough water to cover, and bring to a simmer on medium heat. Add the vinegar and cook for a further 10 minutes.
Mince the spring onions and dill. Remove the seeds from the cucumber and shred. Hard boil eggs and cut into cubes.
Let the beets and the liquid cool of a little, then add buttermilk and blend till creamy.
Refrigerate for 1 hour.
Ladle into bowls and garnish each bowl with cucumbers, eggs, spring onions and dill. Taste to taste and serve with a dollop of soured cream.