The Truth About Canned Bread - Mashed
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Unless you're from New England, the idea of canned bread probably sounds really, really odd. Who exactly had the bright idea of putting bread in a can, anyway?

Canned bread is made by pouring a cornmeal and molasses “batter” into a can, where it is “steamed until it rises.” Unlike bread that is baked and then bagged, which can leave it vulnerable to mold growth, the steaming and canning process helps to ensure that your can of brown bread lasts.