Answer:
My head bobs lazily in the sun. You think I'm cute. For my face is yellow my hair is white and my body is green.
I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.
Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.
In the night a mountain, in the morning a meadow.
Twigs and spheres and poles and plates. Join and bind to reason make.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.