Simply add the ingredients listed below to 1 cup of mayonnaise and blend in a processor until smooth and tasty. In sauces like this htere is really no need for quantities; I have put them here as a guide but let your taste buds guide you. Remember that commercial mayonnaise is already well seasoned, so don't add salt or pepper until the very end.
This sauce is traditionally served with sliced cold veal in a dish known as vitello tonnato. It is also delicious with any cold white meat, fish or cooked eggs.
3 1/2 ounces canned tuna in olive oil, drained
yolks of 2 hard-boiled eggs
2 anchovy fillets in olive oil, drained
1 tablespoon capers in vinegar, drained
Process the tuna, egg yolks, anchovies, capers, and gherkins with 1 cup ready-made mayonnaise until smooth. Then dilute to a soft (but not runny) spreadable consistency with lemon juice and season with salt and white pepper.