Some people dry chestnuts for flour. Whole chestnuts become useless after drying—they turn to stone. You must peel them fresh, then grind them. It’s a workout for your arms.
Dried chestnuts are perfect for soup or porridge. But don’t try to roast a dried one. You’ll break a tooth and possibly your spirit.
The Water Test: Float or Sink?
Here’s a fun party trick. Toss your chestnuts into a bucket of water. Floaters are bad. Sinkers are good. Floating means a worm or air pocket got in. Don’t eat floaters. They taste like betrayal.
How Do You Store Chestnuts?
Dry them immediately after the test. Moisture breeds mold faster than you can say “marron glacé.”