Fricasseed Chicken with Garlic, Capers, White Wine, and Jerusalem Artichokes

It has always puzzled me to find that so few people use that superb tuber produced by certain sunflowers, the Jerusalem artichoke, also known as sunchoke. And among most of those who do buy it, its application has suffered the same fate as that of finocchio, relegated to the minor role of adding an agreeable, raw crunch to salads.

Outside of the Lombardy and Piedmont regions, the notable virtues of topinambur, as the tuber is called in Italy, are unfamiliar to most Ita