Serendipity at its finest
12 classic foods invented by accident. Which is your favorite?
Image: Peter Boccia
Some of our most well-known foods and snacks weren’t planned at all; they were what we call serendipity: happy accidents born from spills, mix-ups, or kitchen improvisations. Can you imagine a world without potato chips? Or Coca-Cola? From small-town diners to curious labs, these 12 inventions have managed to survive to this day.
1
Potato chips
Back in 1853, a cranky diner in Saratoga Springs, New York, complained that his fries were too thick . Irritated, Chef George Crum sliced them paper-thin and fried them crisp to prove a point . To everyone’s surprise, the customer loved them.
What began as a moment of frustration turned into America’s favorite salty snack, inspiring an entire industry of chips and flavors.
2
Popsicles
In 1905, 11-year-old San Francisco native Frank Epperson accidentally left a cup of soda powder and water outside overnight, with a stick still in it. The next morning, it had frozen solid in the chilly air .
Epperson dubbed it the "Epsicle," which was later renamed the Popsicle. That childhood experiment became one of the most enduring summer treats.
3
Chocolate chip cookies
Ruth Wakefield ran out of baker’s chocolate when she was making traditional chocolate cookies at her Massachusetts inn, the Toll House, in the 1930s. She chopped up Nestlé chocolate snack bars instead . She expected them to melt evenly into the dough, but they stayed in chunks.
The warm, gooey results became an instant hit with her guests. Nestlé soon partnered with her to print the recipe on chocolate bar wrappers, and the rest is history!
4
Corn flakes
In 1898, the Kellogg brothers accidentally left cooked wheat, unprocessed wheat kernels simmered until tender, sitting out overnight at their Michigan sanitarium, where they promoted a healthy living based on vegetarianism, exercise, sunlight, and strict hygiene. By morning, it had gone stale, but when they rolled and baked it, the flakes came out crisp and tasty .
That happy mistake inspired a new breakfast idea: simple, wholesome, and ready to pour.
5
Coca-Cola
In one of the most profitable blunders of all time, Atlanta pharmacist John Pemberton was mixing a headache tonic in 1886 when he mistakenly blended his syrup with carbonated water instead of plain water .
Finding the result quite tasty, Pemberton opened a local soda fountain and found immediate success.
6
Cheeseburgers
In the 1920s, a teenage cook in Pasadena accidentally dropped a slice of cheese onto a sizzling hamburger . Instead of tossing it out, he served it to the customer.
The melted topping added a rich, savory twist that caught on fast. Soon, diners across America began adding cheese to burgers, helping to spread this classic.
7
Hard pretzels
One Pennsylvania baker in the 1800s left his soft pretzels in the oven too long, burning them to a deep brown . Expecting a disaster, he tried one and loved the unexpected crunch.
That overbaked batch became the first hard pretzel. The crispy, salty snack soon gained fans nationwide.
8
Slurpees
In the 1950s, a Kansas soda shop’s cooler broke down, freezing its drinks halfway . Instead of throwing them out, the owner sold the icy concoctions to curious customers.
They loved the slushy texture so much that he built a machine to reproduce it. The Icee — and later the Slurpee — turned an equipment failure into an omnipresent machine at every 7-Eleven.
9
Tortilla chips
In 1940s Los Angeles, a tortilla factory ended up with piles of leftover tortillas. Rather than waste them, workers cut them into triangles and fried them up .
The crunchy bites were a surprise hit. What started as a practical way to use scraps soon became a nationwide snack.
10
Tootsie Rolls
Crafty candy maker Leo Hirschfeld wanted to stretch his chocolate supply in 1896, so he experimented by blending in other ingredients such as sugar, corn syrup, and condensed skim milk . The texture turned chewy instead of smooth, but the flavor was rich and lasting.
He named it after his daughter’s nickname, "Tootsie." His thrift-born invention became a candy classic.
11
Reese’s Peanut Butter Cups
Back in 1928, a former Hershey employee, H.B. Reese, was tinkering with leftover chocolate at home when he combined it with sweetened peanut butter . The unexpected pairing turned out to be a great-tasting treat.
His homemade experiment evolved into a small business, and later became a candy legend when Hershey acquired the brand.
12
Fudge
According to the popular story, a batch of caramel didn’t heat properly one night , and the cook sighed that it had been "fudged." The softer texture, however, turned out wonderfully creamy.
That tasty error spread quickly through American kitchens and college towns, becoming the classic dessert that it is today.
