blackhead wrote:
> All the instructions say that after soaking overnight, use new water
> and boil for 10 minutes vigorously, removing the foam on top, then
> for an hour or until tender. Is the 10min cooking and foam removal
> part of making them less poisonous or just to make them more tender
> and tasty?

It's called cooking. Unless you just want to chew on rock hard kidney beans


Jill