ANOTHER HARD RIDDLE (kind-of)?

[Mezza]

I can sizzle like bacon,
I am made with 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 am I?

 

[loonybird]

snake....so snakes sizzle??? they hiss but do they sizzle?????