Fans adore the No. 1 Whataburger, which is served on the famous five-inch buns of the chain.
Despite its apparent simplicity, the Taco Bell Crunchy Taco is the most frequently ordered item, If it's not broken.
Subway's turkey sub is its most popular sandwich, according to a representative of the chain.
A representative for the pizza chain confirmed that its most popular item is pepperoni pizza.
Hook & Ladder sandwich reigns supreme. With ham and turkey, an abundance of vegetables, and Monterey Jack cheese, this will satisfy all of your hunger needs.
The Classic Smash is the most popular menu item at the Colorado-based chain.
According to a representative, Arby's most popular item is the Classic Roast Beef sandwich.
If you have visited Chick-fil-A for fries without purchasing a sandwich, you are not alone.
Five Guys Burgers and Fries, includes the word "burgers." As expected, the most popular item is the double cheeseburger.
The burger is made with "a quarter-pound of fresh, never-frozen beef" and satisfies fast food cravings perfectly.
What are you awaiting if you haven't tried the Popeyes chicken sandwich yet?
McDonald's does not disclose its sales figures, but fries appear to be the chain's consistent best-seller.