Answer:
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
I weaken all men for hours each day. I show you strange visions while you are away. I take you by night, by day take you back. None suffer to have me, but do from my lack.
What is bought by the yard by is worn by the foot?
My first is in blood and also in battle. My second is in acorn, oak, and apple. My third and fourth are both the same. In the center of sorrow and twice in refrain. My fifth starts eternity ending here. My last is the first of last, Oh Dear.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.