Don't be so silly.
Everyone knows you shouldn't eat cheese and biscuits while flying. Especially not Brie or camembert or for the more refined person especially not pate, cos you need both hands to use those little blunt knives to spread it on the bikkies.
Me... I like meusli bars. But you have to get ones who packet can be ripped open with one hand and a good set of teeth!
Washed down with good ol' H2O in one of those bottles with the suck tops!