[He'll just go with what Izunia suggests, since he's only passingly familiar with Western style foods.]

I did take time to thoroughly stock up before I left. Akira and I both have rather large appetites, so I decided to err on the side of bringing more than I would need.

[By 'large appetite' he may, in fact, mean 'is never really full'...you'd think he's been starved, with how much he eats at mealtimes.]