Making a sandwich completely from scratch took this guy six months and cost $1500. He grew his own vegetables, made his own butter & cheese, made sea salt from salt water, and harvested wheat for bread flour. And that's with a few shortcuts...he didn't raise the cow & chicken from a calf & chick or the bees from a starter hive.
See also I, Pencil, how a can of Coca-Cola is made, and How to Cook Soup.
