Answer:
I ate one and threw away two
One of the few vegetables that is routinely consumed with marshmallows.
A wonderful elixir, It is your fluid fixer. Gulp it down and turn like a concrete mixer. Dark as night and sweet as sin, It's like liquid heroin.
A box without hinges, key, or lid yet golden treasure inside is hid. What is it?
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.
As round as an apple. As deep as a cup. All the king's horses can't pull it up.