Answer:
I must be broken before you can use me.
What has feet and legs, and nothing else?
You throw away my outside you cook my inside. Then you eat my outside and you throw away my inside.
As a state in America I am round on both sides and high in the middle.
cats and deflation tires make this noise.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.