Answer:
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
I help engines spin and pants stay up.
My geometry is lost in the night to be found in daylight's break. The rigors of time have torn me to shreds, yet I stand to protect that which lies within. What am I?
I'm not really more than holes tied to more holes; I'm strong as good steel, though not as stiff as a pole.
I am owned by Old McDonald.