I'm looking to turn foraging into something full time or at least close to it. I'm ok with storing foods for a long time if needed, however, many foods require more calories to obtain than you get in return. Most greens would qualify under this category.
I know Acorns are high calorie, and very good for you if processed correctly. Are there any other foods?
I'm in the northeast of Pennsylvania so whatever exists here would have to do.
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