1 shallot, chopped
3/4 cup mayonnaise
2 tablespoons chopped fresh tarragon
2 tablespoons fresh lemon juice
1 teaspoon fresh minced garlic
1 1/2 teaspoons Dijon mustard
1. Process all ingredients in a blender until smooth; transfer to a small bowl. Cover and chill at least 30 minutes or up to 3 days.