Answer:
I can sizzle like bacon. I am made from an egg. I have plenty of backbone but lack a good leg. I peel layers like onions but still remain whole. I can be long like a flagpole yet fit in a hole.
What goes up a chimney down but can't go down a chimney up?
I have a small hill with seven holes. What am I?
What has legs but doesn't walk?
What can fill a room but takes up no space?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.