Wash meat well, place it on a large tray. Sprinkle salt, pepper, & paprika generously on both sides of the chicken pieces. Put aside.
Chop onion to small pieces. Over medium-low heat in a large pot, saute onions until glassy.
Turn up heat to medium-high, push onion to one side of the pot, and add chicken pieces one by one to sear (seal) for a couple of minutes on both sides.
Turn heat down to medium-low; add the cut up red-green pepper and tomato and a cup of hot water, mix it gently.
Let it come to boil and cook for 25-30 minutes.
Carefully turn pieces over, add 1 more cup of water and cook an additional 20 - 25 minutes.
Remove chicken pieces into a serving dish
Add 2 cups of hot water or chicken broth to the juice in the pot. Let it boil for a few minutes.
Transfer the mixture into a blender, add the sour cream.
Mix for 1 minute.
Pour over chicken pieces in serving dish.
Cook egg noodles according to directions.