Here's a splendid new CD of her choral music and orchestral songs:
https://www.prestomusic.com/classical/products/9310124--fanny-hensel-felix-mendelssohn-arias-lieder-overtures
I caught her 'Hero and Leander' (Dramatic scene for soprano and orchestra) on BBC Radio 3 last Saturday and honestly thought I was listening something from a Weber opera. It is a splendidly theatrical piece to end a fine CD.