It's funny, most of my best childhood memories of Auckland and New Zealand revolve around food!
As a child I absolutely loved Pinky Bars (strawberry marshmellow bar covered in caramel and then chocolate), plus marshmallow Easter Eggs with yellow marshmallow yoke (Australian marshmallow Easter Eggs can't compete), Buzz bars (vanilla marshmallow, caramel chocolate covered bars) and pink marshmallow bars in the shape of fish.
Also the L & P (Lemon and Paeroa mineral water) is really excellent (and Australia sometimes imports that, which is great for me)
Fondest memory: When I'm not in Auckland I miss all these things still....whenever my mother goes 'home' on trips there, not only does she have to bring me back duty free Kahlua, but also Pinky Bars, Easter Eggs...all those things I still miss.
I don't care about any Australian chocolate the way I do these New Zealand items....and Swiss of course, but that's easy enough to get here.