According to a report, french fries are the most ordered item on fast food menus when recorded annually. According to Business Insider, McDonald's fries are the ones that won the crown.

McDonald’s has over 35,000 franchises in a total of 119 countries. It is estimated that McDonald's sells to at least 60 million customers every day, which is more than the population of Great Britain.

Harry Synder founded In-N-Out burgers in 1948. The owner himself went to the market every day to buy fresh ingredients for the food they served. The fast food chain is most popular in California.

Walter Anderson was responsible for the modern-day burger patties. It all happened when he got frustrated that the meatballs he was frying that kept sticking. He accidentally smashed one of them with a spatula creating a patty.

In the US, the average worth of the fast food industry is around $198.9 billion, and it is still expected to grow more than $223 billion this 2020. There are about 50,000 fast food chains that are scattered all over the nation.

Stevie Mallie was originally crowned by Guinness as making the largest burger, but sadly, he later lost to a Japanese Restaurant. Mallie planned his comeback for four years and won the record back. The bun weighed 250 lbs. and the burger was topped off with 300 lbs. of tomatoes, pickles, cheese, and lettuce.

McDonald's was responsible for developing the assembly-line system. The first franchise of McDonald's, named Ray Croc, opened in Illinois by the year 1955.

The first fast food was born in Wichita, Kansas, founded by a former reporter and short-order cook. Before this, burgers were mostly sold through food carts, usually at fairs.

Back then, people considered hamburgers as low-quality food. White Castle aimed to changed that view and featured an open kitchen area where customers can see how food is being prepared.

White Castle's founders and owners changed the idea of hamburgers for people. White Castle's best-sellers are square hamburgers they call sliders.