I wear Coat

People buy me to eat but never eat me.

What I am?

I am sweet. I come in different flavours.

I usually have icing on top. I am served at birthday parties.

What am I?

It is white. It has a brown thin skin. 

It grows in the ground. It is a root Vegetable. 

When cutting it make you cry.

What is it?

I am white. I have a brown thin skin. I grow in the ground.

I am a root vegetable. When you cut me, I can make you cry.

Who am I?

What has one eye but can’t see?