
There's nothing like a block of frozen spinach to make you feel bad about your family dinner. There's good food and bad food and pretty food and ugly food--and then there's the frozen-spinach block. By any rights, this is not something you should want to eat. The picture on the box looks lovely, and the very idea of eating spinach is healthy. But what you find inside is a frosty, slightly slimy, algae-colored slab.
Somewhere out there--maybe just a five-minute drive from your house--a farmer's market is selling fresh, organic leaf spinach that might have been sprouting from the soil an...