Nuts

Kernel

The acorn kernel is the shelled seed meat inside the oak nut, the part foragers and mills actually cook with after the hard cupule and shell are cracked away. Raw kernel tastes astringent on most species; food use almost always starts with leaching in clean water until bitterness fades to a mild, cereal-like earthiness. Texture is dense and starchy more than oily, so kernels are usually dried and ground rather than eaten like roasted cashews. Indigenous North American, Korean, and Mediterranean kitchens turn leached meats into porridges, breads, and jellies. Sort carefully after shelling: discard wormy, blackened, or rancid pieces before they spoil a whole batch of meal. Fresh shelled kernels mould if left damp; dry them promptly or freeze for short holding. Quality meats feel firm and pale-tan to cream once leached, not grey or slimy. Keep shelled stock cool and sealed; oxidation and off odours show up faster than in whole in-shell lots.