Only recently has the idea of reducing food waste moved beyond a niche concern. Gone are the days when it was solely the preoccupation of Depression-era grandparents and self-righteous dumpster divers. But it’s not like we’re reviving the can-do frugality of the pioneers — when was the last time you saw a house with a root cellar? For most people, pickling and canning are a hobby they embrace after taking a Groupon class at that crafting store downtown and abandon after the first half-sour. Even as fighting food waste has entered the mainstream consciousness, 38 percent of all food in the United States is simply thrown away, and the average household tosses out almost $2,000 a year in wasted food.
