Put glass noodles in boiling water, let them stand for 3-4 minutes or prepare them according to instructions. Quench, drain
Clean and wash the leek and mushrooms. Cut leek into rings and mushrooms into thin slices
Wash the fillet and pat dry. Cut into small pieces. Heat oil in a pot. Fry the meat for 3-4 minutes.
Add leek and mushrooms and fry for about 2 minutes. Sprinkle curry on top and sauté briefly while stirring. Season carefully with salt and pepper.
Deglaze with a good 600 ml of water. Stir in the China sauce, bring to the boil and stir in the stock. Cut noodles possibly smaller. Heat up in the soup. Season to taste with curry, salt and pepper
Glass noodles are easier to spoon if you cut them into small pieces after draining. It is best to cut them in portions with kitchen scissors