Alfalfa

Also called Buffalo Herb, after it was introduced to NA
Very high energy food
Edible and VERY nutritious
Has all known vitamins
Has organic Potassium, Calcium, Magnesium, and Phosphorus. All are absorbable.
Can be made into breads also
Romans were known to use if for a staple food when they campaigned for world domination because of its high energy content.
It also adds back to the soil