What am I?

Can you guess what am I?

1. I arrived in America from Ireland
2. Sometimes I am sweet
3. People like to butter me up
4. I have eyes, but I cannot see
5. I am a relative of tobacco and  tomatoes 
6. I had a supporting role in Toy Story
7. The average American eats 140 pounds of me each year'
8. In Idaho, I am famous
9. If I'm French, I must be fried

Did you guess? I am a Potato