How to Make It
In a food processor, blend the egg yolks and mustard with 2 tablespoons of water. With the machine on, drizzle in the oil until emulsified. Transfer to a medium bowl and stir in the capers, cornichons, anchovies, parsley, tarragon and banana. Season the tartar sauce with salt.
White anchovy fillets are available in the deli section of specialty food shops.
Pan-roasted or fried fish, organ meats or sandwiches.