If it goes over around five hours, I'll need some protein, too. What goes down best for me is a tuna salad or egg salad sandwich. (I was surprised, too, how well it worked for me, the first time. )
Are you saying you have tuna or egg salad on the ride? Just clarifying.
GO RIDE YOUR BIKE!!!
2009 Cannondale Super Six High Modulus / SRAM Red / Selle San Marco Mantra