Saute onion until tender- add seasoning and chicken, saute 10-20 min browning both sides of chicken. Add water, cover and simmer until chicken is tender. (about 45 min)
Take out chicken of sauce.
Mix sour cream and 1/4 C water. Add flour and stir until no lumps.
Add to heated sauce stirring constantly until thick.
Add chicken and Hungarian dumplings. Heat through.
You can make this without the tomatoes. Sometimes you may need to add more water and more Hungarian Paprika to the sauce. You need to make the Hungarian Dumplings to go with this.