Wash roast beef if necessary and pat dry. Rub with salt and pepper. Place on a fat pan. Heat clarified butter and pour it evenly over it. Roast in the preheated oven (electric cooker: 225 °C/circulating air: 200 °C/gas: level 4) for 40-45 minutes
Boil the eggs hard for about 10 minutes, rinse and peel them. Wash the herbs and chop finely. Mix mayonnaise, yoghurt and herbs. Dice eggs finely and add. Season to taste with salt, pepper and lemon juice
Wrap roast beef in aluminium foil and let it rest for about 20 minutes. Cut open and garnish if necessary. Add the remoulade