Complex sentence: Blackfoot is designated the "Potato Capital of the World", because of it's large potato industry in eastern Idaho, and is home to the Idaho Potato Expo, which is home to the world's largest baked potato and potato crisp.
Split into simpler sentences: Blackfoot is designated the "Potato Capital of the World", because of it's large potato industry in eastern Idaho. It is home to the Idaho Potato Expo, which is home to the world's largest baked potato and potato crisp.