This may discolor the toilet, however. After the nuts have been leached of tannins, roast them in a 350 oven for about an hour. They can then be eaten whole or ground into acorn meal and used to make porridges or breads. Acorns from white oaks aren't nearly as bitter as those from red or black oaks, and can be roasted without first soaking them. You can buy almonds shelled or unshelled, blanched, sliced, slivered, ground, or chopped.
Beechnuts are small, triangular nuts.
They're usually roasted. Unprocessed bitter almonds have a more intense flavor than ordinary almonds, but they aren't available in the United States since they're mildly toxic if eaten raw. Instead, they're processed and used to make oil of bitter almonds, almond extract, almond liqueurs, and orgeat syrup. Bakers use them to take their fudge and cookies up a notch. Shelled almonds have a slightly bitter brown skin which can be removed by blanching them.