Clean and wash the sugar snap peas and cut into fine strips. Sort and wash the spinach. Blanch both in boiling salted water for about 1 minute, drain.
Peel and finely chop the onion. Wash potatoes thoroughly and cut into thick slices. Heat the oil in a pot and sauté the onion. Add potatoes, wine and 200 ml water, bring to the boil. Stir in stock. Cover and cook for 20-25 minutes.
Wash the fish, dab dry and cut the upper side several times diagonally deep, but do not cut through. Season with pepper. Fill the spinach mixture into the incisions and press it firmly. Bring honey and soy sauce to the boil in a large pan. Place the fish in the soy sauce and spread it over the fish. Cook the fillet in the closed pan at medium heat for about 8 minutes.
In the meantime, wash the asparagus and cut the ends off generously. Cut the asparagus into pieces. Place them on the potatoes about 5 minutes before the end of the cooking time and add them. Season to taste with salt and pepper.
Wash coriander and shake dry, chop finely. Sprinkle salmon with sesame seeds. Serve the potato and asparagus vegetables together with the stock and sprinkle with coriander.