Start by rinsing the radishes thoroughly and then thinly slicing them using a sharp chef's knife. Arrange the slices in a large mixing bowl for easy mixing.
In a small bowl, whisk together the Greek yogurt, white vinegar, honey or agave, salt, and black pepper until the dressing is smooth and well combined. The mixture should be creamy with a slight tang.
Pour the dressing over the sliced radishes and gently toss with a spatula or spoons, making sure each slice is evenly coated. You should see a nice creamy layer enveloping the crisp radish slices.
Drizzle a tablespoon of olive oil over the salad, then give it one more light toss to add richness and shine to the dish.
Let the salad sit for 5 minutes to allow the flavors to meld and the radishes to soften slightly while maintaining their crunch. Stir again before serving to redistribute the dressing.
Serve the radish salad in individual bowls or on a platter, garnished with a sprinkle of extra black pepper or herbs if desired. Enjoy the vibrant, crisp, and creamy flavors with your favorite main or as a refreshing side.