Shake all ingredients with ice for 15 seconds, strain into coupe. Garnish with picked raspberries.
EDIT: Originally I made this with the St. George Raspberry Brandy, but after a few tweaks I swapped in gin. The St. George Raspberry Brandy has a hint of the fruit but also a whole lot of earthy flavors seemingly of the leaves, stem, etc. Combined with the Suze, it made for an earthy bitterness that was a bit much for most palettes (and even mine at times).