Candied Baby Beets and Beetroot Sponge with Hibiscus, Rhubarb, Yoghurt, Rose and Violets

Name: Candied Baby Beets and Beetroot Sponge with Hibiscus, Rhubarb, Yoghurt, Rose and Violets
Yield: serves 8
Cuisine: Australia
Ingredients: 10 g (¼ oz) crystallised violets (crushed); 10 g (¼ oz) freeze-dried beetroot (beet) powder