Preparation Whisk together vinegar, shallot, mustard, 1/4 teaspoon salt, and 1/8 teaspoon pepper in a large bowl, then add oil in a slow stream, whisking until combined. Just before serving, add endives and herbs, tossing to coat. Cooks' note:Endives can be washed and dried 1 day ahead and chilled in sealed bags lined with paper towels.
Preparation Whisk together vinegar, shallot, mustard, 1/4 teaspoon salt, and 1/8 teaspoon pepper in a large bowl, then add oil in a slow stream, whisking until combined. Just before serving, add endives and herbs, tossing to coat. Cooks' note:Endives can be washed and dried 1 day ahead and chilled in sealed bags lined with paper towels.