Sødring retired at the age of 51, after which she recounted her biography to her youngest son Marius who published it in two volumes as Erindringer (1894–95).

When her father discovered she was a talented imitator of two elderly aunts, he encouraged her to learn theatrical roles of older women as a basis for her debut.

[1] As was the practice at the time, Sødring prepared three roles for her debut, receiving help from the established actresses Anna Nielsen, Johanne Luise Heiberg and Henriette Jørgensen.

Thanks to her subdued approach and lack of make-up, she brought her characters to life, often effectively emphasizing her presentations with comic satire.

[2] Choosing her roles herself, she became associated with plays by the four H's: Holberg, Heiberg, Hertz and Hostrup, Plagued increasingly by illness, she retired from the stage in 1875 at the age of 51.