Another report claims that a young fry cook named Austin Ruse was the first to serve this dish while working at Dairy Queen in St. Charles, Missouri.

[2][3] [4] Throughout the Southwest US, loaded fries are often covered in melted cheddar cheese, bacon bits, jalapeño slices, and chives, and served with ranch dressing.

[citation needed] In Philadelphia, pizza fries are topped with melted mozzarella and served with pizza sauce on the side, while "mega fries" are topped with cheddar (or sometimes Cheez Whiz) and mozzarella cheese and bacon, usually served with a side of ranch dressing.

[citation needed] In New York City, Long Island, and New Jersey, they are covered with melted American, mozzarella, or Swiss cheese.

In Puerto Rico, they have gained some popularity on fast food trucks known as crazy fries (papas locas).

[8][9][10] In Bulgaria, a common side dish offered in most restaurants consists of French fries, topped with grated or crumbled sirene.