Ingredients

• 3/4 cup mayonnaise
• 2 teaspoons Dijon mustard
• 1 1/2 teaspoons whole-grain mustard
• 1 teaspoon tarragon vinegar
• 1/4 teaspoon Tabasco sauce
• 2 teaspoons drained tiny capers, chopped
• 1 tablespoon chopped fresh flat-leaf parsley
• 1 scallion (3 inches of green left on), very thinly sliced
• Salt and freshly ground black pepper, to taste
• N/A freshly ground black pepper

Instructions

1. Combine ingredients in a bowl. Set aside, covered, in the refrigerator.