Provided by WW NortonFuschia Dunlop By Samuel Fromartz, Special to The Washington Post Eight years ago, cookbook author Fuchsia Dunlop visited the celebrated Dragon Well Manor restaurant on a farm on the outskirts of Hangzhou, an ancient capital of China whose culinary traditions date back centuries. The restaurant’s purveyors scoured the small farms in the countryside of the Lower Yangtze region — known as Jiangnan, “south of the river” — for the freshest produce, pork and chicken.