Answer:
Covered in stone and sun. It's home to many but also none. What is it?
One by one we fall from heaven down into the depths of past, And our world is ever upturned so that yet some time we’ll last.
A house with two occupants, sometimes one, rarely three. Break the walls, eat the boarders, then throw away me.
When they are caught, they are thrown away. When they escape, you itch all day.
In buckles or lace, they help set the pace. The farther you go, the thinner they grow.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.