Crisp vegetables and an aromatic herb make a most refreshing summer salad. Why It Works Salting and draining the cucumbers keeps them crunchy and prevents them from diluting the dressing. Soaking the raw onions takes away the sharpness but keeps the flavor and their crunch. White wine vinegar and sugar create a clean, balanced sweet-tart dressing. Thinly sliced cucumber and fresh mint make a refreshing summer salad—delicious on its own as a light meal, or as a side at your next picnic or barbecue. Soaking the raw onions in water tames their bite. Be sure to salt and drain the cucumbers—it ensures the cucumbers stay crunchy and prevents the dressing from getting watery.…