It is nutritious.
It is inexpensive.
It would be mass producible.
Unfortunately, it is tasteless to most, horrible to a few.
Fortunately, it can be cooked and flavored: fried, baked, roasted, boiled, spiced, soyed, peppered.
It comes in chips, bricks, loafs or as big as a butchered hog.
It is the future of mankind.