Paris (CNN) — Fois gras, the French culinary jewel that is as delicious as it is controversial, is a staple of upscale restaurants across the country. But now it’s vanishing from menus during an “unprecedented” crisis that has seen some manufacturers begin to consider reducing portions.
At the heart of the problem is a bird flu epidemic that has been sweeping across the country — and Europe — for months. It’s already devastated the…