Interesting, because this:
http://ask.skybus.com/about/rules-of-flying.shtml
2. Hungry? Thirsty? Bring cash.
Most people love our full cocktail bar and food menu, but if you’re not into that, it won’t cost you a penny. Why should your ticket cost include your neighbor’s dinner? That also goes for blankets and pillows–which, by the way, you get to keep if you buy. Oh, and don’t sneak food onboard unless you brought enough for the whole plane.
I took that to mean you couldn't bring food on the plane, but maybe it was just meant in jest.