Answer:
I'm a vegetable that is a long, green stalk. I'm usually eaten at thanksgiving with cheese or peanut butter.
What can be opened but cannot be closed?
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
What is the only chain we can eat?
A box without hinges, lock or key, yet golden treasure lies within. Who am I?
What never gets any wetter no matter how hard it rains?