Step 1 In a medium bowl, combine the cream cheese and sour cream and blend until smooth. Set aside.
Step 2 Combine the anchovies, parsley, chives, green onion, vinegar, Worcestershire sauce and mayonnaise in a blender and process until smooth. Transfer the mixture to the bowl and mix well. Season with salt and pepper to taste. Chill the dip before serving with potato chips or crudites.