If you have a woodstove anyway, look up the PROPER way to freeze maple sap and then boil what remains. Everyone should tap maples and birches this year. Butnot everyone likes wintergreen and birch has that hint of flavor. You could use the latter as a sweetener instead of on pancakes.

I made whole topics on this subject on eating frugally for a variety of reasons.

You could raise rabbits anywhere. Heck you coud raise and eat guinea pigs as they do in Peru. Rabbit manure is perfect for the garden.