Ingredients

2 teaspoons white-wine vinegar

1/2 teaspoon Dijon mustard

1/4 cup extra-virgin olive oil

Coarse salt and freshly ground pepper

1 endive, trimmed and sliced crosswise 1/2 inch thick

6 ounces frisee, torn into bite-size pieces

1 stalk celery, sliced 1/8 inch thick

1 tablespoon chopped fresh tarragon

1/4 cup fresh chives, cut into 1-inch lengths

Preparation

In a small bowl, whisk together the white-wine vinegar and Dijon mustard. While whisking, very slowly pour in olive oil until well combined. Season with salt and pepper.

In a medium bowl, combine the endive, frisee, celery, tarragon, and chives. Drizzle the dressing over the salad; toss to combine.