15 Cool Facts About Frozen Food

iStock.com/hutchyb
iStock.com/hutchyb

Frozen foods are easy to take for granted—all that clever packaging, all those choices, all that ice cream—simply because their very existence hinges on simplicity, convenience, and ease. But frozen foods have a complicated backstory, a long scientific evolution, and a debate over pizza origins that could make your head spin. In honor of National Frozen Food Day, which takes place on March 6, let's dig into the history.

1. They don't require any added preservatives.

Frozen foods do not require any added preservatives to keep them safe and consumable, because microbes—the kind that make you sick—cannot grow on any food that is at a temperature less than 0°F. The microbes don't die at that temperature, but they stop multiplying. Be careful when you unfreeze food; microbes will instantly start growing as they do on unfrozen food, so it’s best to handle thawing food as you would fresh food.

2. It's a myth that freezing food depletes it of nutrients.

Despite some old wives’ tales, freezing food does not remove any nutrients. Freeze away!

3. Freezer burn is normal.

You don’t need to be afraid of freezer burn or color changes in your properly frozen food. Freezer burn is just the result of air hitting frozen food and allowing the ice to sublimate; other color changes can be blamed on long freezing times or poor packaging. It might look gross, but if your frozen food has maintained a proper temperature, it’s fine to eat. (Still, give it a sniff before chowing down.)

4. Over time, freezing food can diminish its quality.

Freezing food typically keeps items edible indefinitely, although taste and quality may diminish over time. Some items that stay tasty even after long freezes include uncooked game, poultry, and meat, which are still good even after up to a year in the freezer.

5. Frozen foods hit the industrial market in the 1800s.


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Even though freezing food was used as a storage technique in cold weather climates for many years, it’s believed it was first applied to industrial food sales sometime in the 1800s, when a wily Russian company froze a small quantity of duck and geese and shipped them to London. By 1899, the Baerselman Bros. company adapted frozen storage for their own Russia-to-England food shipping business, though they initially only operated during cold weather months.

6. Carl Paul Gottfried Linde is the unofficial godfather of frozen food.

Carl Paul Gottfried Linde, an engineer, scientist, and professor at the Technical University of Munich, is basically the father of frozen food. Sort of. He helped pioneer industrial cooling, through what’s commonly known as the Hampson-Linde cycle, and used his findings to plan an ice and refrigeration machine back in the 19th century.

7. Guinness played a part in the history of frozen food.

Linde’s desire to build such machines was only furthered in 1892, when the Guinness Brewery requested that Linde create a carbon dioxide liquefaction plant for them, pushing him still further into the arena of low temperature refrigeration and the liquefaction of air. Thanks, beer!

8. Clarence Birdseye revolutionized the industry.

Ever wonder about the namesake of Birds Eye Frozen Foods? It came straight from the company’s founder, Clarence Birdseye, who introduced the concept of flash freezing to the world.

9. Birdseye's "a-ha" moment came to him in the Arctic.

Frozen food pioneer Clarence Birdseye in a portrait from the 1950s
Hulton Archive/Getty Images

Birdseye developed his technique after seeing food freezing in action in the Arctic, and noting how much better frozen fish tasted if it had been frozen immediately after been caught—like a flash!—versus food that was frozen on a delay.

10. Birdseye is also partly to thank for the freezers that line grocery store aisles.

Not only did Birdseye help pioneer flash freezing as a frozen food standard, he also helped develop in-store freezer cases and refrigerated boxcars that allowed his frozen foods (and, yes, others) to travel near and far.

11. America's first commercial frozen food line went on sale in 1930.

Birdseye’s food was so prevalent that it was actually the first frozen food sold commercially in the United States. On March 6, 1930, Birds Eye frozen foods were put on sale at Davidson’s Market in Springfield, Massachusetts, the first product of its kind.

12. The TV dinner was not the first frozen meal.

The first “complete” frozen meal was not actually the beloved TV dinner—it was airplane food! In 1945, Maxson Food Systems, Inc. starting making their so-called “Strato-Plates,” meals that were created specifically for consumption on airplanes (both by military and civilian passengers). Each frozen meal included a meat, a vegetable, and a potato, and was meant to be reheated for in-air chowing.

13. It was Swanson's who coined the term TV dinner.

Maxson closed up shop before their Strato-Plates could be sold on the ground, but other companies picked up the slack, including One-Eyed Eskimo, Quaker State Food, and Swanson’s, which is widely hailed as the true creator of TV dinners: they coined the name and were the most well-known maker of tasty compartmentalized meals in the 1950s.

14. A corporate executive's heart attack inspired the "healthy" frozen meal trend.

Conagra Foods introduced its Healthy Choice line of frozen food back in 1989, after the corporation was inspired to pursue healthy frozen picks after its chairman, Charles Harper, suffered a heart attack due to his bad eating habits. 

15. Who invented the frozen pizza? It's complicated.

Whole pepperoni pizza on wood cutting board
iStock.com/dbvirago

There’s long been a debate over which company first introduced the frozen pizza to the grocery store market, with both Totino’s and Tombstone vying for the title. A more likely candidate? The Celentano brothers, who owned their own Italian specialty store in New Jersey in the 1950s, are believed to have marketed the first frozen pizza in 1957.

This article originally appeared in 2016.

17 Delicious Facts About Peeps

Getty Images
Getty Images

You know whether you prefer chicks to bunnies, fresh to stale, or plain to chocolate-covered. But there’s a lot you may not know about Peeps, everyone’s favorite (non-chocolate) Easter candy.

1. It used to take 27 hours to make a Peep.

A candy Peep being made
Getty Images

That was in 1953, when Sam Born acquired the Rodda Candy Company and its line of marshmallow chicks. Back then, each chick was handmade with a pastry tube. Just Born quickly set about automating the process, so that it now takes just six minutes to make a Peep.

2. An average of 5.5 million Peeps are made every day.

Peeps candies being made
Getty Images

All of them at the Just Born factory in Bethlehem, Pennsylvania. In one year, the company makes enough peeps to circle the earth—twice!

3. Yellow chicks are the original Peep, and still the favorite.

Boxes of yellow chick Peeps
Getty Images

Yellow bunnies are the second most popular color/shape combination. Pink is the second best-selling color.

4. The recipe has stayed pretty much the same.

Cooking up a batch of Peeps
Getty Images

The recipe begins with a boiling batch of granulated sugar, liquid sugar, and corn syrup, to which gelatin and vanilla extract are later added. 

5. The equipment has also (mostly) stayed the same.

Peeps candies being made
Getty Images

Since Just Born turned Peeps-making into an automated process, the chicks have been carefully formed by a top-secret machine known as The Depositor. Created by Sam Born’s son, Bob, The Depositor could manufacture six rows of five Peeps apiece in a fraction of the time it took workers to form them by hand. And that same machine that Bob built has been keeping the Peeps flowing ever since. Until rather recently …

In 2014, the company announced that it was planning to renovate its manufacturing plant, including The Depositor. “It’s a little sad,” vice president of sales and marketing Matthew Pye told Candy Industry Magazine at the time. “Bob Born made it from scratch in 1954 and it allowed us to distribute and grow the brand nationally." 

6. The updated equipment means new Peeps innovations could be coming.

Making Peeps at the Just Born factory
Getty Images

“The investment in our marshmallow making process will allow for more efficiency, more consistency, improved quality, and additional innovation capabilities,” co-CEO Ross Born told Candy Industry magazine about the new depositor, which will be able to produce a wider variety of Peeps in all sizes. “The [old] Peeps line did one thing and one thing very well—cranking out chicks day in and day out. Five clusters, just in different colors,” Born said.

7. Peeps used to have wings.

They were clipped in 1955, two years after the first marshmallow chicks hatched, to give the candy a sleeker, more “modern” look.

8. The eyes are the final touch.

A close up of a yellow chick Peep
Getty Images

The final flourish for all of these squishy balls of sweetness is adding the eyes, which are made of carnauba—a non-toxic edible wax (that is also found in some shoe polishes and car waxes, plus many other candies).

9. Peeps may be destructible, but their eyes are not.

Making Peeps at the Just Born factory
Getty Images

In 1999, a pair of scientists at Emory University—dubbed “Peeps Investigators”—decided to test the theory that Peeps are an indestructible food. In addition to a microwave, the pair tested the candy’s vulnerability to tap water, boiling water, acetone, and sulfuric acid (they survived them all). When they upped the ante with some Phenol, the only things that didn’t disappear were the eyes. 

10. They really are everyone's favorite non-chocolate Easter candy.

For more than 20 years now, no other non-chocolate Easter candy has been able to compete with the power of Peeps. With more than 1.5 billion of them consumed each spring, Peeps have topped the list of most popular Easter treats for more than two decades.

11. There are sugar-free Peeps.

Counterintuitive, we know. But in 2007, the first line of sugar-free Peeps hit store shelves.

12. There are also chocolate-covered Peeps.

Chocolate-covered Peeps hit the market in 2010. Today there’s a full line of them for every occasion.

13. Peeps come in a variety of flavors.

Color and shape (i.e. yellow chick) are no longer the only ways to categorize a Peep. They now come in an array of flavors, including fruit punch, sour watermelon, lemon sherbet, blueberry, and pancakes and syrup.

14. Peeps lip balm is a thing.

Yep.

15. On New Year's Eve, a giant Peep is dropped in Bethlehem, Pennsylvania.


PEEPS®

The drop is done with a traditional chick that flashes different colors at midnight.

16. Believe it or not, Peeps are not Just Born's best-selling brand.

That honor belongs to Mike and Ike. (Sorry, Peepsters.)

17. They're a boon to a creativity.

Blue chick Peeps
Getty Images

All over the country, Peeps have become the preferred media for a number of highly anticipated annual art contests. (You can check out some of the coolest creations from Westminster, Maryland's PEEPshow here.)

Updated for 2019.

10 Amazing Pieces of Peeps Art

“Edgar Allan Peep” by Christian Twamley / Courtesy of the Carroll County Arts Council
“Edgar Allan Peep” by Christian Twamley / Courtesy of the Carroll County Arts Council

Some people paint, some scrapbook, and others create Game of Thrones-inspired dragon sculptures made of 5000 marshmallow Peeps. Candy art may seem like an unusual form of craftsmanship, but it’s more common than you might expect in the lead-up to Easter, when organizations around the country host Peeps art contests.

The aforementioned dragon, as well as the artworks pictured below, were all submitted to the “PEEPshow” contest—a fundraiser for the Carroll County Arts Council in Westminster, Maryland. According to event organizers, the event became the first exhibition of Peeps art when it debuted 12 years ago.

Keep scrolling to see some of the best Peeps sculptures from recent years (2017-2019), and visit the Art Council’s website to see all of this year's participants. (As of Friday afternoon, a Warhol-inspired artwork of "Marilyn Peeproe" appears to be in the lead.)

A space-themed Peeps display
“First Peeps in Space” by International Delight / Courtesy of the Carroll County Arts Council

A samurai sculpture
"Sugar Samurai" by Tristar Martial Arts / Courtesy of the Carroll County Arts Council

The rabbit from Alice in Wonderland
“I’m Late, I’m Late (for the PEEPshow)” by Vivian Davis / Courtesy of the Carroll County Arts Council

A caterpillar sculpture
“The Very Hungry Caterpeeper” by Lia Finch and M / Courtesy of the Carroll County Arts Council

A sculpture inspired by a painting
“Peep with the Pearl Earring” by Sandy Oxx / Courtesy of the Carroll County Arts Council


“Edgar Allan Peep” by Christian Twamley / Courtesy of the Carroll County Arts Council

A Belle sculpture
“Beauty and the Peep” by Candace Birger, Westminster Cake Studio / Courtesy of the Carroll County Arts Council

Fish sculpture
“The Rainbow Fish” by Jen, Justin, Connor, and Jacob Myers / Courtesy of the Carroll County Arts Council

A Gumby sculpture
“Just Gumby” by Sydney Blacksten / Courtesy of the Carroll County Arts Council

A sculpture of a monster
“Percy the Purple Peeple Eater” by the Koontz Family / Courtesy of the Carroll County Arts Council

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