1/4 cup fresh mint leaves, plus sprigs for garnish
1 tablespoon red wine vinegar
2 ice cubes
Freshly ground pepper to taste
Place garlic clove on a cutting board and sprinkle with salt. Mash with the side of a chef's knife into a smooth paste. Transfer to a blender.
Reserving 1/2 cup of cucumbers for garnish, add the remaining cucumbers to the blender along with buttermilk, mint leaves, vinegar and ice cubes; blend until smooth. Taste and adjust seasonings with salt and pepper. Ladle into bowls and garnish with the reserved cucumbers and mint sprigs.