[Paal Gulli]

"Probably home brew by someone who doesn’t know how to work a still."

Or not, since methanol is made from destructive distillation in an anoxic atmosphere. Snuffy Smif's still need not apply.

[packagingguy]

The methanol is generated from the methoxy groups on pectin molecules.

A friend who’s distilled palinka (Hungarian fruit brandy) told me the distillation process but all I remember is you have to boil off the methanol first.