what am i?

[Liverski]

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?

[nix-j-c]

sausage?

[weecalf]

snake ?

[Liverski]

thanks for the replies