Cut the meat into thin strips and place in the marinade for about 1 hour.
Cut the asparagus diagonally into 5 cm long pieces, breaking off the dry ends beforehand.
Drain and rinse the mushrooms, then cut in half. (Brush off the mushrooms). Stir together the ingredients for the sauce.
Heat 2 tablespoons of oil in the preheated WOK, stir in a pinch of salt and garlic. Fry the mushrooms and asparagus, turning quickly, until they are shiny. Carefully pour in 60 ml of water, cover and boil for 2 minutes, then set everything aside on a plate.
Wipe out the wok, heat 2 tablespoons of oil and stir-fry the garlic and meat on a hot flame for 1 - 2 minutes until the color changes.
Add the asparagus and mushrooms, mix everything well and stir in the sauce. Stir until it thickens and is well covered with the sauce.