PreparationMake dressing: Whisk together vinegar, shallot, mustard, salt, and pepper in a small bowl. Add oil in a slow stream, whisking constantly until dressing is emulsified, then whisk in chives. Make salad: Toss together endive, mâche, and radishes in a large bowl, then drizzle with dressing and toss gently to coat. Serve immediately.
PreparationMake dressing: Whisk together vinegar, shallot, mustard, salt, and pepper in a small bowl. Add oil in a slow stream, whisking constantly until dressing is emulsified, then whisk in chives. Make salad: Toss together endive, mâche, and radishes in a large bowl, then drizzle with dressing and toss gently to coat. Serve immediately.