Peel the asparagus and cut into 4 cm pieces, simmer in salted water for about 15 minutes. Then drain and collect 200 ml of the water for the sauce.
Heat the butter, stir in the flour and sweat until golden brown. Pour asparagus water and cream on top and simmer for about 1 minute while stirring. Stir in the soy sauce and season as needed.
Cut the peeled eggs into wedges and add to the sauce with the asparagus and serve with chopped parsley.