Bitter walnuts: the boiling water trick to neutralize the taste without losing the benefits

Fresh walnuts sometimes reveal a stubborn bitterness that puts off many an enthusiast. This millenary trick from traditional kitchens offers a surprising solution: a simple bath in boiling water is said to be enough to radically transform their flavor. But how does this process act on the compounds responsible for this harshness, and does it really preserve the precious nutrients of these nuts?

That harsh sensation that persists in the mouth after biting…