Australian to American English Part I -- Food:

Biscuit (or bickie) -- sometimes a cookie, sometimes a cracker
Capsicum -- red/green/yellow/orange pepper
Chips - both fries and potato chips. Sometimes you hear "fries" but I've never heard "crisps"
Coriander -- cilantro and coriander
Devon - baloney
Flat White -- more or less a latte
Lemonade -- Sprite
Lolly -- candy, not just a lollipop
Long black -- my coffee drink of choice, espresso diluted with water
Maccas - McDonalds
Short black -- shot of espresso
slab -- a case of beer
Sultanas -- Raisins, more or less
Tim Tam -- a delicious cookie