Real Food XI: Sourdough Buckwheat Crepes

Buckwheat was domesticated in Southeast Asia roughly 6,000 years ago. Due to its unusual tolerance of cool growing conditions, poor soils and high altitudes, it spread throughout the Northern latitudes of Eurasia, becoming the staple crop in many regions. It's used to a lesser extent in countries closer to the equator. It was also a staple in the Northeastern US until it was supplanted by wheat...