america’s test kitchen
1 cup sour cream
3/4 cup mayonnaise
1/4 cup minced fresh parsley
1/4 cup minced fresh chives
2 tablespoons minced fresh tarragon , tablespoon fresh lemon juice
1 garlic clove, minced
1/8 tsp salt
1/8 tsp pepper
Process all of the ingredients in a food processor until smooth, about 20 seconds. Transfer to a serving bowl and refrigerate until the flavors have blended, at least 1 hour. Serve chilled with crackers or crudites.