Prepare the dumplings in boiling water according to the instructions on the packet. Dab meat dry and cut into cubes. Peel and halve onions and cut into thin strips. Clean and wash the peppers and cut them into thin strips as well.
Drain the dumplings, let them drip off and remove from the foil. Heat 1 tablespoon of oil in a frying pan. Fry the dumplings for 2-3 minutes, turning them until golden brown. Remove the dumplings from the pan and set aside.
Add 1 tablespoon of oil to the pan and fry the meat cubes for 3-4 minutes, turning them over. Add the onions and peppers and fry for approx. 3 minutes. Add sauerkraut to the pan and fry for another 3-4 minutes.
Season to taste with salt and pepper.
Wash the chives, dab dry and cut into fine rolls. Put the dumplings back into the pan and heat up again. Sprinkle with chives and serve immediately.