maybe some HN readers don't get the madeleine reference: https://www.thelocal.fr/20190814/french-expression-of-the-da...
[1] https://en.wikipedia.org/wiki/Madeleine_(cake)
[2] Irma Rombauer, Marion Rombauer Becker, and Ethan Becker. Joy of Cooking (rev. ed.). Scribner. 1997. pp 962-963.