Answer:
Take one out and scratch my head I am now black but once was red.
I have four wings but cannot fly. I never laugh and never cry. On the same spot always found, toiling away with little sound.
Hold these between your knees if you want to set a Cuban beat.
Lighter than what I am made of, More of me is hidden Than is seen.
What I am filled, I can point the way. When I am empty. Nothing moves me. I have two skins. One without and one within.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.