Originally Posted by Garett
When enough heats is absorbed by a dried corn kernel the trace water it contains, turns to steam and it expands the volume of the kernel (pop).
The old fashionned way was to put the kernels in a pan over a stove and shake it to keep the kernels from scorching. Or, in a fine wire basket over coals. Then folks learned to do this with hot air poppers and microwave ovens.
I'm guessing pop-corn is not a major home treat in the bonnie highlands?