Mix ground meat and chopped onion
Add salt, pepper, and egg; mix well
Separate the potato mixture into three parts
Flatten each part in your hand and put a spoon of meat mixture into the middle
Form the potato mixture around the meat mixture, forming a longish shape
Place the formed dumplings in a pot with boiling salted water
Boil for 20 minutes
While the dumplings are boiling, fry the bacon and chopped onion
Serve dumplings topped with the fried bacon and onion mixture, with sour cream on the side
