Once the beetroot is roasted, cool slightly before using kitchen paper to rub off the skins. Finely chop the beetroots – they don’t have to be perfectly diced but you don’t want it to be chunky, and keep them as evenly chopped as possible. Combine the miso with 2 tsp of hot water in a small bowl, then stir in the mustards, vinegar, worcestershire sauce and Tabasco. While the beetroot is still warm, combine with the mustard mixture and all the other ingredients, bar the ricotta, horseradish and bread. Season and leave to sit for 30 mins or until completely cool and the beetroot has marinated.