Answer:
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.
I drive men mad for love of me. Easily beaten, never free.
Just head and foot yet never tires of dancing.
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.
You can hold it without using your hands or your arms. What is it?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.