The potato while delicious is also the worlds fourth largest food crop! 
I love potatoes and they really help stretch the food budget, so filling yet inexpensive
the Americas in the second half of the 16th century by the Spanish. Today they are a staple food in many parts of the world and an integral part of much of the world's food supply. As of 2014, potatoes were the world's fourth-largest food crop after maize (corn), wheat, and rice.
Following millennia of selective breeding, there are now over 1,000 different types of potatoes. Over 99% of presently cultivated potatoes worldwide descended from varieties that originated in the lowlands of south-
become the world's predominant potato in food processing. The Russet Burbank potato was in fact invented to help with the devastating situation in Ireland following the Irish Potato famine. This particular potato variety was created by Burbank to help "revive the country's leading crop" as it is slightly late blight-resistant. Late blight (Phytophthora infestans) is a disease that spread and destroyed potatoes all across Europe but caused extreme chaos in Ireland due to the high dependency on potatoes as a crop by the Irish.
Life and work