We buy thin-skin walnuts.Kernels.Mishaps can occur when purchasing thin-skin walnuts from merchants, who might replace them with thick-skin walnuts that are incredibly hard to crack even with a hammer.Below is an easy method to identify thin-skin walnuts, proven effective every time.Actually, it's quite simple to distinguish between thin-skin and thick-skin walnuts by their appearance. Both types have a protruding vein on the shell, but the vein of the thin-skin walnut appears finer and deeper, while that of the thick-skin walnut is coarser and shallower.

Additionally, you can tap two walnuts lightly together; those that produce a clearer sound are likely to be thick-skin walnuts. Thin-skin walnuts make a duller sound and may also rattle when shaken.

There's another type of thin-skin walnut known as paper-thin walnut, which is even thinner than ordinary thin-skin walnuts. It can be easily cracked by hand.

This method for identifying paper-thin walnuts is the same as that for ordinary thin-skin walnuts.To add:

When selecting walnuts, choose those that are larger in size, round and solid, with a slightly darker color; these will have better flavor.

Select walnuts that are larger, rounder, heavier, and slightly darker in color for a richer flavor.