If you’re exploring Germany’s Eifel countryside, you’ll find yourself heading down one winding narrow road after the next. Make for the charming village of Binscheid, population 80, in the Bitburg-Prüm district. This is the home of Alexandra Weyres, a cook who runs the Haus Mannertalrestaurant. Her great-uncle originally founded it, as a corner shop with a restaurant, 150 years ago. Weyres started cooking here in 2001 and her ambition and passion has made it a landmark. She focuses on seasonal products grown mainly in the Eifel region, a low mountain range in western Germany that extends into …