By Evan Dawson, Finger Lakes Editor The small French commune of Tain-l’Hermitage is known for its pitched vineyards that yield some of the world’s finest syrah. It is not nearly so well known as the birthplace of copper ovens. “France’s soil is good for more than just winegrowing,” explain Seth and Mary Jane Kircher, the husband-and-wife owners of The Copper Oven, a specialty pizza joint connected to Cayuga Ridge winery. “Our oven was born in Tain-l’Hermitage and we worked with a family in Maine who helped us with its final construction.” The oven is a marvel to behold, and that’s…