This is an excellent cocktail. Mellow and fragrant. Lets the floral notes of the pineau shine, supported by the gin. I used a modern citrusy London dry style gin, but with this paired back style of cocktail I can really see the choice of gin making a huge difference. Pineau charentes needs more recognition!

Delicious and notwithstanding not the original proportions (45ml/45ml/15) nicely balanced; it benefits from the extra gin. And for those interested, she apparently named it for the black cloaks, or cappas, worn by the Black Friar monks who used to dwell in what is now the Plymouth gin distillery as read here in an interview with her - https://www.sfgate.com/wine/cocktailian/article/cappa-destined-to-become-a-classic-drink-4704078.php