Wash the salmon, pat dry and cut into 6-8 slices. Sprinkle the salmon with lemon juice and let it stand for a while
Wash the asparagus and cut the ends off generously. Cook the asparagus in boiling, slightly salted water with a little sugar for 10-12 minutes
Peel and chop the onion. Fry in hot oil. Stir in mustard. Deglaze with 3-4 tablespoons of water and vinegar, bring to the boil. Season to taste with salt, pepper and sugar, cool down. Wash the herbs and chop except for some chervil. Stir into the vinaigrette
Heat butter in a frying pan. Salt the salmon and fry it on each side at medium heat for about 3 minutes until golden brown
Drain the asparagus. Drizzle herb vinaigrette over it. Serve the asparagus with salmon. Garnish with remaining chervil and orange. Delicious with baguette
Drink: cool white wine