Walnut liqueur shines in this simple sour cocktail. The Nocino Sour has a base of Cognac and calls for Italian walnut liqueur (also known as nocino), lemon juice, simple syrup, and Angostura bitters.

Editor’s note: Living in the Colorado high country is pure joy. Baking in it isn’t. High altitude makes cookies spread in the pan, cakes fall, and few baked goods turn out as they do at sea level.

What, you may wonder, “does a walnut liqueur from Austria taste like?” said Leslie Brenner in the Los Angeles Times. Or a well-aged herbal after-dinner drink made by monks in the French Alps? We tried ...

A tabletop laden with goodies showcases the nut culture of the French Périgord, where locals make cheese, bread, oil and liqueur using the area’s walnuts. Photo by Alastair Bland Walnuts, like almonds ...