Answer:
This food is a staple for households worldwide. Its definition is: An edible seed, typically kidney-shaped, growing in long pods on certain leguminous plants.
It produces a flower but it is not its fruit; it produces branches which are its fruit.
I come out of the earth, I am sold in the market. He who buys me cuts my tail, takes off my suit of silk, and weeps beside me when I am dead.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?
What stinks when living and smells good when dead?
What is round, has a twin, and sees more than most?