Peel and finely chop the garlic. Wash, peel and chop the beetroot into small cubes. Heat the oil in a wide saucepan. Sauté garlic for about 1 minute while turning until colourless. Add the barley and steam briefly.
Deglaze with wine, bring to the boil and simmer while stirring until the liquid has evaporated. Add beetroot. Add a little broth until the barley is covered.
Simmer for about 30 minutes, stirring occasionally. Add broth again and again. Season risotto with salt, pepper and vinegar. Cut the sprouts from the bed. Pluck cheese into small pieces.
Sprinkle cheese and sprouts over the risotto.