Wash the asparagus. Peel the white, cut off the woody ends. Cut off only the ends of the green one generously.
Cook the white asparagus in boiling, lightly salted water, covered with 1 teaspoon sugar and butter for 15-20 minutes. Add green asparagus and cook for about 8 minutes
Wash the chervil, pluck the leaves. Roll up salmon slices into "roses
Lift out the asparagus and cool down a little. Mix 5-6 tbsp. asparagus stock, vinegar, mustard, salt, pepper and 1/2 tsp. sugar. Fold in the oil. Stir in chervil. Arrange asparagus and salmon roses. Pour some mustard vinaigrette over the asparagus. Garnish with lemon. Add the rest of the vinaigrette. Delicious with baguette
Drink: cool white wine