She first published a successful cookbook in 1871; then, after her hustand's death in 1873, she supplemented her income by writing a series of novels and short stories, all in support of women's emancipation.
In 1856, she married the physician Christian Emanuel August Fibiger (1819–1873) with whom she had two children, Louise (1859) and the subsequent Nobel Prize Winner Johannes (1867–1928).
[1] Brought up in a well-to-do family with cultural and political interests, she spent her childhood in Flensburg, Copenhagen and Aarhus, depending on where her father was stationed.
[1] As a result of working as her husband's assistant, she acquired knowledge of health and nutrition which enabled her in 1871 to publish Veiledning i Tilberedelse af Mad for Syge og Svage (Guide to the Preparation of Food for the Sick and Weak).
In 1882, she established Tidsskrift for Kvinder i de tre nordiske Riger (Journal for Women in the Three Nordic Realms) which closed in 1884.