Beetroot (Beet) Soup with Baked Feta

Beetroot (beets), when really ripe, can be as sweet as blackcurrant cordial. I absolutely adore them, whether raw as spaghetti, pickled and served on an open sandwich with liver pâté, or in a soup like this, with salty baked feta on top.

Nothing is quite as satisfying as pulling beetroot (beets) out of the ground with my children, the feeling when the earth around falls softly away, washing and then cooking with them. We ate so many beetroot as chi