Food / A Polish Soup-What is the name? [16]

I am a fourth generation Polish American, and unfortunately do not know many recipes, traditions and such of Poland.

My Aunt makes a Delicious soup every Easter.

Its mostly a broth with mushrooms, onion (I think) and maybe sour cream?... We cut up Polish Sausage and hard boiled eggs and add it to the soup before we eat it.

My family calls it borsch, but it does not seem to be the traditional borsch -which I thought was made out of beets.

Does anyone know what this soup is called? My aunt does not know the recipe right now.... and does not 'remember' what is in it.

Thanks!