At home: Nothing. I don't eat breakfast at home, as I am almost never hungry right when I get up.
At work: Tim Horton's XL Double-Double. The addiction must be fed.
Day off: Caesar or lager at the pub (esp on NFL Sundays)
Flight, for work: Cran-apple or coffee
Flight, for vacation: Coffee with Baileys
Flight, to LAS: One bourbon, one scotch, one beer