- 1 1/2 pound haricots verts (thin French green beans), trimmed
- 3 tablespoons extra-virgin olive oil
- 2 teaspoons Dijon mustard
- 2 teaspoons white-wine vinegar
- 1 shallot, minced
- Steam beans until just tender, 3 to 8 minutes. While beans are steaming, whisk together remaining ingredients and salt and pepper to taste. Toss beans with dressing and season with salt and pepper.