Answer:
An open ended barrel, it is shaped like a hive. It is filled with the flesh, and the flesh is alive.
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
Each of these ends in a kettle full of precious metal and the double variety is quite awesome
Bright as diamonds, Loud as thunder, Never still, A thing of wonder.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.