For 4 pers : - 600 of beef (rumpsteak) - 2 egg yolk- 7 cornichon (french gherkins) chopped- 12 capers chopped- 1 onion chopped- tabasco- 1 tsp of worcestershire sauce - 1 Tsp of Mustard- salt and pepper Mix it all up and it's ready !You may need to adjust...