Winter Radish Salad

Ingredients

• 8-in.-long piece daikon radish, peeled
• 1/4 cup buttermilk
• 2 tablespoons sour cream
• 2 tablespoons plus 1/4 cup crumbled roquefort or other blue cheese
• 1/4 teaspoon fine sea salt
• 1/2 teaspoon cracked black pepper
• 4 ounces mixed salad greens (about 4 cups loosely packed)
• 3 red radishes, sliced into matchsticks
• 1 watermelon radish, peeled and thinly sliced
• 1/2 Fuji apple, sliced into wedges