A list of things, being a compendium of things that would be nice to receive as a birthday present
Something for easy sipping. Sipping ease. Sipper-saurus.
Criminal to use it with the above vessel, but if you must know, something in Secale cereale.
Really, anything from the Fox Frenzy! portion of Horse & Hound catalog.
Given the choice between cake or pie, the latter. Better still, something with some age on it.
Or you could just go for the low-hanging fruit. You know, the ones covered in platinum.