Why Coke tastes different at McDonald's

Differences in the ratio of sugars help distinguish Mexican and American Coke

Mexican Coke is sweetened with cane sugar (sucrose), which dissolves into equal amounts of fructose and glucose, whereas American Coke, which uses high-fructose corn syrup, contains more fructose than glucose.

Visualize how Coca-Cola's secret formula has changed over time

Coca-Cola contained small amounts of cocaine until the early 1900s—but that's not the only time Coca-Cola has altered its recipe over the years. For instance, Coca-Cola transitioned from cane sugar to high-fructose corn syrup in the 1980s.

Unlike its Mexican counterpart, American Coca-Cola contains high-fructose corn syrup rather than sugar

There are a few reasons why American Coke turned away from sugar in the 1980s, but none of them are related to consumer health. This Reader's Digest article breaks down the history behind Coke's recipe change, explaining why the company continues using high-fructose cough syrup.

'This American Life' once tried to recreate the original recipe for Coca-Cola

Given that the Coca-Cola formula is one of the company's most closely-guarded secrets, the radio show's team was surprised to come across a 1979 newspaper article with what looked like the original recipe for Coke.

The history of the McDonald's Happy Meal

The McDonald's Happy Meal is the quintessential fast food kids meal, serving up child-appropriate portions and prizes all within a portable, fun container. So where did this pop culture icon begin? Watch this quirky 13-minute history of the Happy...

Coca-Cola and Pepsi have a fierce rivalry

And it's been that way for a long time—both of the sodas were created in the late 1800s in the South. Pepsi was created by Caleb Bradham, and was originally called "Brad's Drink."

Distinguishing club soda, seltzer, and sparkling water

The three forms of drinking water are similar, but their differences lie mostly in the presence and proportion of minerals and carbonation. Read this quick explainer on the major differences.

Soda is one of the most overpriced items at restaurants

All restaurant food is marked up—that's how they turn profits, after all—but soda is one of the most egregious. Fountain soda is remarkably cheap, with restaurants often paying a few cents for each glass before selling it for a few dollars. Food publication The Takeout estimates that the typical markup is around 1,000%.

Coca-Cola began developing Diet Coke to compete with a diet cola called Tab

Launched in 1963, Tab was successful in part because of its diet-conscious branding, with the name "tab" referring to the idea of "keeping a tab on your weight." Diet Coke made its debut in 1982.

Despite meeting as ambulance drivers in WWI, Ray Kroc and Walt Disney weren't the driving forces behind McDonald's and Disney's numerous business partnerships.

McDonald's intentionally avoids using the word 'milkshake'

The restaurant's US menus use an abbreviated term: the simple "shake." Conspiracy theorists suggest this means the chain doesn't use actual milk, but the truth is a bit more complicated and—much to their displeasure—mostly related to dairy regulations.

Until late 2024, the company that makes McDonald's ice cream machines held an elusive repair monopoly on them, the culprit behind the frequent outages that fueled widespread social media discourse.

McDonald's french fries are, by far, the most popular french fries available at fast food restaurants around the world.

Watch a recreation of the 'Speedee Service System,' the assembly line production method pioneered by the McDonald brothers that revolutionized fast food in the US.

Coca-Cola operates under an asset-light, divided structure

The "company" manages the brand itself, as well as its secret formula and syrup production. The capital-intensive "system" of independent bottlers, on the other hand, handles manufacturing and distribution.

See how the Coca-Cola bottle's design has changed over the years, including the famous 1910's "hobbleskirt" bottle named for the once-popular tapered women's skirts that narrowed below the knee.

Coca-Cola claims that only two people in the world know the full Coca-Cola formula

They are supposedly two Coca-Cola executives. Over the years, a number of handwritten formulas have surfaced to the public, but Coca-Cola has ruled all of them as inauthentic.

​​Andy Warhol made a Coca-Cola perfume called 'You're In'

The 100 spray-painted bottles were filled with a cheap citrusy perfume, practically begging audiences to ask if they were indeed filled with urine. The Coca-Cola Company sent a cease-and-desist letter shortly after learning of the project. IN 2017, a Japanese fashion brand remade the works without mentioning Coca-Cola.

'Dirty soda' took off in Utah before exploding on TikTok

The concoction is a combination of Diet Coke, coffee creamer, and citrus. This Eater article delves into the history behind the sugary drink, pinpointing its start as a Mormon-friendly alternative to alcohol and caffeine. The explainer also explores why the drink became so popular on social media and offers helpful hints for crafting your own recipe.

The Coca-Cola Company also owns Sprite, Smartwater, and many more brands

The parent company owns lots of beverage brands, from sodas to water, including Dasani, Minute Maid, Topo-Chico, and more. You can see all of the roughly 200 brands it owns on its website.

See photos of McDonald's locations all across the world from the 'McAtlas.'

Fast-food prices have increased more over the past 10 years than both full-service restaurants and inflation.

Coca-Cola made up roughly 19.2% of US carbonated soft drink market share as of 2023

Separately, Diet Coke made up about 7.8% of US market share that year. Pepsi was responsible for 8.3% of market share, as was Dr. Pepper.

John Pemberton only sold roughly 25 gallons of Coca-Cola syrup in its first year

That equates to roughly 9 drinks per day. But once he brought it to pharmacies that hooked the syrup up to their soda fountains, sales increased significantly, with roughly 2,000 gallons being sold two years later. This video about Coca-Cola's early history is narrated by actress Jenny Slate for a Comedy Central series called "Drunk History," so not all of it is intended to be entirely factually accurate.

A taxonomy of restaurant types

What's the difference between "fast food" and "fast casual"? Is there any real difference between a "diner" and a "family style restaurant"? This guide from DoorDash explores the industry's fine distinctions, along with some deeper dives into specific enterprises that found success.

McDonald's releases a new adult Happy Meal

Some McDonald's restaurants in Ohio began a nostalgic campaign in late 2023, reviving chicken nugget-style doll toys famous in adult-themed Happy Meals over a quarter-century before. The company collaborated with artist Kerwin Frost to create the toys. Read more and see photos here.

The Coca-Cola bottle was designed to be recognizable even when shattered

The contour bottle, which was designed and patented to prevent copycats in its distributed bottling system in 1915, would soon become one of the most identifiable shapes in commercial culture. The designers also made sure it could be easily identified even in the dark.

Ranking the best fast food in America

Grab some ketchup packets, toss on your cardboard crown, and meet us in the drive-thru! Browse through the best of the best from fast food and fast casual restaurant chains in 15 categories, including Best Cheeseburger, Best Spicy Chicken Sandwich, Best Fries, Best Onion Rings, and even Menu Item of the Year.

Before being sued over a customer's third-degree burns, McDonald's required all coffee to be served between 180 and 190 degrees Fahrenheit.

The WHO labeled aspartame as 'possibly carcinogenic' but US regulators consider it safe

The International Agency for Research on Cancer, an arm of the World Health Organization, labeled aspartame—the artificial sweetener in Diet Coke—as one of several hundred possible cancer-causing substances in 2023. The determination was based on animal and human studies and "limited" evidence linking it to liver cancer. The WHO and US Food and Drug Administration both say the substance is safe at moderate levels. The FDA says a person weighing about 132 pounds would need to have 75 packets daily to reach an unsafe level.

See an original Coca-Cola coupon—one of the earliest surviving coupons used in America—that helped popularize the soda brand in its early days.

Malaysia is home to a massive McDonald's museum

Top Fast-Food Toy Collections Museum in the city of Alor Setar houses over 80,000 McDonald's items, including Happy Meal toys, employee uniforms, and ketchup packets.

McDonald's 1990 opening in Moscow symbolized the USSR's fading isolation

When McDonald's arrived in Moscow in 1990—an icon of Western capitalism—it became a cultural shock. NPR's Invisibilia recounts how the chain asked new Russian employees to greet customers with American-style smiles, exploring the clash between Soviet norms and Western service culture (segment starts around 42 minutes in).

The Oktoberfest taste test

Wondering how the different Oktoberfest beers stack up? This article dives into the six official beers you’ll find at the festival. Each one has a write-up that includes a bit of history, tasting notes, and thoughts on where and when you might enjoy drinking it.

The drink that became Coca-Cola was originally called 'Pemberton's French Wine Coca.'

Back when it was still a small restaurant, McDonald's served barbecue.

Cocktails now increasingly feature strange ingredients like bacon fat

Cocktail mixology has evolved in recent decades, shifting from a revival and reimagining of old favorites to pure experimentation. Where drinks were at one time anchored by a long-established favorite, now drink menus can feel incomprehensible to the average drinker, and little to indicate what the ultimate flavor profile of the libation will be.

Explore 'McBroken,' an online map of which McDonald's ice cream machines are broken in the US.

The research that led to sour

Scientists are trying to figure out if there are unique receptors that respond to the molecules that make up flavors we associate with calcium, blood, batteries, and other items that often escape dinner menus. Taste researcher Dr. Danielle Reed says the minimum evidence for a taste category typically involves identifying dedicated receptors and then removing them to show the taste vanishes.

Is Domino’s pizza inflation-proof?

A Big Mac Extra Value Meal is nearly $11 in 2025, compared to $4.59 in 1993. A Taco Bell crunchy taco costs $1.79 today, but was only 59 cents in 1990. Inflation impacts the price of many fast-food items—but the price of a Domino's pizza hasn't changed much at all in the past two decades.

Red and green became Christmas colors thanks to holly—and Coca-Cola

Holly's green leaves and bright red berries linked the colors to winter festivals for centuries, but Coca-Cola's 1931 Santa—painted by Haddon Sundblom in Coke-red robes—helped cement red and green as the modern Christmas palette.

The legend of Pittsburgh’s fake Burger King

Years ago, a Burger King in Pittsburgh lost its franchise due to repeated customer complaints about food quality. However, the franchise-holders continued to operate the restaurant, switching to generic packaging but keeping the signage and uniforms. Customers eventually caught on and raised suspicions, leading to Burger King's corporate leaders' involvement. Learn more about the bizarre establishment and how it managed to continue operations for months.

The history behind New Orleans' drive-thru daiquiris

New Orleans attracts millions of annual visitors with its freewheeling drinking culture, reaching its apex during the weeks-long Mardi Gras celebration. But even the most intemperate tourists might be confused by the city's drive-through daiquiri stands. This resource offers a brief history of the quirky staple and explains how it has survived changes in the law.

McDonald's became the first American fast food restaurant to open in the Soviet Union in 1990.

Ray Kroc proposed the idea of franchising McDonald's as a way to sell more of his Multimixers 7 years before buying the McDonald's brothers out of the company for $2.7M.

Coca-Cola was created during a patent medicine boom

A "patent medicine" is a proprietary medicine that is ostensibly created and marketed under a patent, and, crucially, is available without prescription.

Coffee contains an average of 15mg of caffeine per fluid ounce

Coffee has three times the amount of caffeine contained in most caffeinated sodas, but significantly less than espresso and cocoa powder.

CostCo's low-cost hot dogs: The strategy of 'loss leaders'

Wholesale food distributors like Sam's Club, BJ's, and CostCo place a premium on cutting costs for their consumers to cultivate brand loyalty. Enter CostCo's enduring $1.50 hot dog and soda combo. It's a classic example of a so-called "loss leader," a product a company loses money on but which keeps customers coming back for more. Learn the history of wholesalers and how selling over 200 million hot dogs in a year builds CostCo's brand.

Exclusionary ads can help win over customers, some marketers argue

Slogans like "if you don't like dark roast, this coffee isn't for you," also known as "dissuasive framing," can entice specific groups of customers, some marketers say. The shift comes from the perceived authenticity of a company admitting that a product is not perfect for everyone.

The surprising science behind Pop Rocks

Have you ever wondered why Pop Rocks makes tiny explosions in your mouth? Well, there's actually pressurized carbon dioxide bubbles trapped within the sugary candy. This 19-second video shows you what Pop Rocks look like under a microscope.