During the Great Depression, a St. Louis, Missouri, salesman, Grant Leslie of Dundee, Scotland, had the idea to sell macaroni pasta and cheese together as a package, so he began attaching grated cheese to boxes of pasta with a rubber band. In 1937, Kraft introduced the product in the U.S. and Canada.

8 Cheesy Throwback Facts About Kraft Macaroni & Cheese

• Kraft Sells One Million Boxes Of Mac And Cheese A Day.
• The Record For Eating An Entire Box Of Kraft Macaroni & Cheese Is One Minute, 2.14 Seconds.
• There Are Over 50 Varieties Of Kraft Macaroni & Cheese.

The easy-to-make dinner became popular during wartime for its low price - early advertisements claimed it could feed a family of four for just 19 cents. According to Mashed, Kraft Mac & Cheese grew in popularity during World War II, when two boxes of Kraft Dinner could be purchased for one rationing coupon.

One of its most popular products, Kraft macaroni and cheese was introduced in 1937. At just nineteen cents a box and easily prepared, the prepackaged product was a hit during the Great Depression and into World War II as rationing took place and working women had limited time at home.

It's true: macaroni and cheese is more than a yummy calorie-laden food option. The delectable casserole, drenched in cheese and butter, transcends food, rising to the giddy heights of symbolism. Its gooey, golden essence contains love, family, and Southern tradition.

Nobody knows the true origin of Mac N' Cheese, but some people believe the first recipe came from southern Italy in the 13th century. It consisted of sheets of lasagne made from fermented dough which were then cut into small squares that were boiled and mixed with grated cheese.

Ever wonder why macaroni and cheese is so dang good? There's a bunch of science behind it – the dish is full of rich ingredients which make our brain think it's won the lottery. There's also the comfort food factor – mac n' cheese brings up fuzzy warm memories of home.

And mac and cheese - with roughly 7 million boxes of Kraft's version sold each week - continues to be devoured in good times and bad. Whether it recalls happier, simpler times or feeds a family on a shoestring budget, the Day-Glo orange dinner is here to stay.

A macaroni (formerly spelled maccaroni) was a pejorative term used to describe a fashionable fellow of 18th-century Britain. Stereotypically, men in the macaroni subculture dressed, spoke, and behaved in an unusually epicene and androgynous manner.

There's a saying that comes from the area: "An apple pie without the cheese is like a kiss without the squeeze." English settlers brought the culinary tradition to North America, and it caught on in places where dairy farming flourished and cheese was most accessible - namely, New England and the American Midwest.

Mac and cheese is a rich and creamy dish consisting of macaroni pasta mixed with a cheesy sauce. It's particularly popular in the United States.

“The ideal mac and cheese has a creamy sauce that clings to the noodles, rich cheese flavor made from a variety of cheeses, well-seasoned, a little bit gooey with a stringy cheese pull effect,” Davis told HuffPost.