Prepare the meatballs: add chopped onion, salt, egg white and adjika to the minced meat. Mix the minced meat well and form medium-sized meatballs from it.
In a frying pan, fry the vegetables in heated oil: onion cut into half rings, carrots and sweet pepper. Then add water, sour cream, tomato paste, flour and mix everything well. Bring the gravy to a boil, add salt and pepper.
Place the meatballs in the pan, cover and cook over low heat for 25 minutes.
Serve meatballs with your favorite side dish.