Michigan State University Extension
Preserving Food Safely - 01600661
To slice these large kernels, cover the shelled nuts with cold water and bring slowly to a boil. Simmer 5 minutes. Drain.
Slice lengthwise or make curls with a vegetable slicer. You may toast the slices at 350 degrees Fahrenheit for about 12 minutes.
Freeze for 24 hours before cracking OR Cover nuts with cold water. Boil for 3 minutes; drain. Cover with cold water, let stand for 1 minute, drain and crack.
Cover shelled nuts with cold water. Bring to a boil; simmer 2 to 3 minutes, drain. Add cold water; drain. Pinch nuts to slip skins.