11/2 cups mayonnaise
3 scallions, white parts only, chopped
1/4 cup finely chopped cornichons
3 tablespoons small capers, drained and rinsed
2 tablespoons white wine vinegar
2 tablespoons chopped fresh parsley
1 tablespoon smooth Dijon mustard
1 tablespoon chopped fresh tarragon or 1 teaspoon dried
Salt and freshly ground black pepper to taste
1. Combine mayonnaise, scallions, cornichons, capers, vinegar, parsley, mustard, and tarragon in a mixing bowl. Whisk well, and season to taste with salt and pepper.
2. Refrigerate until ready to use. Note: The sauce can be refrigerated for up to 4 days.