My first four are what to do to really make me stellar, Though many love me raw, if you can risk the salmonella. I'm versatile AF - find me in any size, shape and flavor, But the version with black circles is still the one most people favor.

This time of year I jingle With jolly old Kris Kringle And if you hear me sound An angel’s new wings are found

I clack when you laugh, I creak when you groan, I build up your castle from marrow and stone. Dogs beg for my cousins, x-rays make me known.

I’m an outfit staple for Dads and nerds alike, if I’m of the knit or argyle variety. If I’m puffy, I’m a popular choice for winter gear, especially for those in between days. Add two letters to me, and I’m what smart people do with money for retirement.

I tell stories, yet I do not speak. I bleed, yet I do not have blood. And in light, my shadows remain. What am i?