Preheat the oven to 180 °C.
Wash and trim the beetroots at root and stem ends, leaving 1 cm of the stem and root. Do not peel.
in a small bowl, combine the raw sugar, salt, rosemary and olive oil until well-blender.
Now add the beetroot and ensure they are covered well with the mixture.
Wrap each beetroot in foil and place them on the baking tray.
Roast for approximately 1 hour until tender.
Peel the skin off the beetroot using your fingers, then cut into thick slices.
Lightly toast the hazelnuts, then break into pieces.
Trim the top andbottom of the fennel, then cut in half. Remove the hard core from each half, making a V cut at the centre. Slice finely lenghtwise.
Place the beetroot pieces on the serving bowl and add the fennel and oranges
Drizzle over the dill vinaigrette and top off with the hazelnuts.