Answer:
As soft as silk, as white as milk, as bitter as gall, a thick green wall, and a green coat covers me all.
I'm a food made of flour, water, and yeast or another leavening agent, mixed together and baked. You need me to make a sandwich.
What is the saddest fruit?
What can be opened but cannot be closed?
What is eaten by man, served among many, grown by many, and white as snow?
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
Food
Animal
Difficult
Easy
Funny
Kids
Logic
What am I?