01 - In a large bowl, combine the grated beetroots, diced cucumber, sliced radishes, chopped dill, and green onions.
02 - In a separate bowl, whisk together the yogurt and buttermilk until smooth.
03 - Pour the yogurt mixture over the vegetable mixture and stir to combine.
04 - Season with salt, pepper, and lemon juice to taste.
05 - Chill the borscht in the refrigerator for at least 1 hour before serving.
06 - Serve in bowls, garnished with halved quail eggs on top.