One of the keys to the enduring popularity of the sandwich is that it comprises multiple elements that invite operator innovation. Successful sandwiches are built on appealing fillings, tasty condiments that boost flavor and texture, and often fresh produce. But at the heart of the sandwich’s appeal is the bread, a crucial component that’s been undergoing an evolution. Great grains. The rapid growth of the farm-to-table movement has led to a rediscovery of grains along with ...

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