when i bake a potato i scrub it, then i cut it in half long ways, so i have 2 long potato halves. i hold the potato up to a bright light and it is the same effect as when eggs are candled, i can see through the flesh and i can notice any dark spots if any. then i bake them in a 450 oven till soft inside. the cut side gets nice and brown, puffs up and becomes nice and crispy like a potato chip. i have also noticed that after peeling, cutting up, and checking for dark spots and not finding any that after the potatoes are boiled dark spots appear. now that i find strange.
Your hand and your mouth agreed many years ago that, as far as chocolate is concerned, there is no need to involve your brain. -Dave Barry