<P> Most French fries are produced from frozen potatoes which have been blanched or at least air - dried industrially . Most chains that sell fresh cut fries use the Idaho Russet Burbank variety of potatoes . It has been the standard for French fries in the United States . The usual fat for making French fries is vegetable oil . In the past , beef suet was recommended as superior , with vegetable shortening as an alternative . In fact , McDonald 's used a mixture of 93 % beef tallow and 7 % cottonseed oil until 1990 , when they switched to vegetable oil with beef flavoring . Starting in the 1960s , more fast food restaurants have been using frozen French fries . </P>
<P> Most French fries are produced from frozen potatoes which have been blanched or at least air - dried industrially . Most chains that sell fresh cut fries use the Idaho Russet Burbank variety of potatoes . It has been the standard for French fries in the United States . The usual fat for making French fries is vegetable oil . In the past , beef suet was recommended as superior , with vegetable shortening as an alternative . In fact , McDonald 's used a mixture of 93 % beef tallow and 7 % cottonseed oil until 1990 , when they switched to vegetable oil with beef flavoring . Starting in the 1960s , more fast food restaurants have been using frozen French fries . </P>
what kind of fat is in french fries
what kind of fat is in french fries
vegetable oil
vegetable oil