Here’s more on the remarkable wonder-plant that is amaranth, an article I came across in my attempts to research how to harvest its seeds: Why Mexican Chefs, Farmers And Activists Are Reviving The Ancient Grain Amaranth.
…in Oaxaca, amaranth is not just a fad ingredient. The ancient indigenous plant is part of a movement to revive native crops and cuisines, and a means of restoring the physical health and economy of their state, one of the poorest in Mexico.
High in protein and other nutrients, amaranth is also drought-resistant and profitable, netting local farmers three to five times the profit of other locally grown grain crops.