Wash the potatoes thoroughly, place them in a pot with water, bring to the boil, cover and cook over a medium heat for about 20 minutes. Then drain, quench and peel. Meanwhile wash the meat, dab dry.
Heat 2 tablespoons of oil in a frying pan and fry the meat well all around. Then fry over medium heat for about 15 minutes while turning. Season with salt and pepper. Clean the asparagus, cut off the woody ends.
Heat 2 tablespoons of oil in a wide saucepan, fry the asparagus in it while turning. Deglaze with stock, bring to the boil, cover and cook over medium heat for about 6 minutes. Put the hollandaise sauce and orange juice in a pot and heat while stirring.
In the meantime, heat 2 tablespoons of oil in a second pan and fry the potatoes in it until golden brown, turning them over. Season to taste with salt and pepper. Cut the meat open. Arrange potatoes, asparagus, sauce and meat on plates.
Garnish with chervil, orange slices and peel.