Christie's was bought by US biscuit company Nabisco in 1928, so they'll be familiar to American shoppers, too. However, while they're sold in a white box under the name Premium in the US, in Canada the box is red, and they're still called Premium Plus. Whether crumbled into meatloaf, dipped in soup or simply topped with cheese for a classic snack, there's no doubt this is the Canadian cracker of choice.

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