Heat the oil in a pan on high heat. Add the onion and thyme and cook for 3 minutes. Add in the garlic and cook for another minute.
Next add in the buckwheat and cook for 3 minutes stirring until the grains are translucent, then add in a little bit of the vegetable stock and stir until it is absorbed.
Keep adding the stock until the buckwheat is cooked, it will take about 25 mins. Add the beetroot for the last 10 minutes of cooking.
In the meantime, roast the pine nuts in a dry pan for 3 minutes on medium heat until golden brown.
Crumble the goat's cheese and stir in half the risotto at the end of cooking. Divide the rocket over the plates alongside the risotto.
To serve sprinkle with the rest of the goat's cheese, pine nuts and season with salt and pepper.