than the crispy, airy crunch of popcorn.

And one Chicago spot does it better than anywhere else.

Its name: Garrett Popcorn.

Customer: It's really buttery and cheesy and good.

Maybe not the healthiest, but it's really good. [laughs]

Customer: People who come to Chicago look for Garrett's

and know Garrett's.

Oprah Winfrey: I bought Garrett's for everybody!

Medha: We're on Michigan Avenue

just steps away from Millennium Park,

and we're about to head to Garrett's Popcorn,

which has been serving some of the best

handcrafted popcorn in the city since 1949.

And if you wait long enough,

you'll see lines snake out of their stores.

So, why the long lines,

and what makes this popcorn taste so good?

Garrett is known for the iconic mix

of two of its specialty flavors,

CheeseCorn and CaramelCrisp.

Garrett handcrafts its popcorn

in small batches throughout the day.

It serves its popcorn fresh to customers

and can make anywhere from 30 to 150 batches a day,

depending on customer demand.

And my arm is now getting tired. [laughs]

Customer: If you like popcorn, you should probably try it.

If you don't like popcorn, you probably should try it.

It's delicious.

Medha: It was actually customers like these

who invented Garrett's world-famous popcorn combo.

Officially called the Garrett Mix

but locally known as the Chicago mix,

fans of Garrett Popcorn in the 1970s

used to come into the shop

and buy one bag of CaramelCrisp,

one bag of CheeseCorn,

and one empty bag.

Crystal Allen: And then we saw that they were

mixing the two recipes together.

And then once we saw that there was a high demand for that,

we decided to actually add that to our menu.

We noticed it had that sweet and savory combination,

and it just, it was an unparalleled experience from there.

Medha: Other shops have their own version of the mix,

but Garrett remains the fan favorite.

Since 1949, Garrett's popcorn has been made

in old-fashioned copper kettles

and follows a secret family recipe

that has been handed down over three generations.

Crystal: We stick to the same process

of using our copper kettles

and making small batches daily.

Customer: This is definitely one of the landmark

Chicago staples of food

that you have to try if you're in town.

There's usually a line out the door.

Medha: The popcorn starts off with a hybrid

of butterfly and mushroom kernels,

which are grown just for the company.

The kernels are then air-popped,

which means no oil is necessary.

Once air-popped, the kernels are set aside,

while the caramel heats to an optimal temperature.

There are a total of seven ingredients

in the CaramelCrisp flavor.

Garrett Popcorn wouldn't tell us all of them,

but it did say two were water and caramel,

while the other five can be found

in most pantries and refrigerators.

The smell of the caramel is overwhelming,

and its beautiful.

And it's taking all of my willpower

not to just grab a piece of that CaramelCrisp.

I'm really surprised that none of the popcorn itself

is being crushed by the weight of the caramel.

That's because the CaramelCrisp

begins with butterfly kernels.

And butterfly kernels, as the name denotes,

have wings on them.

So when mixed in with the caramel,

the larger surface area on each and every kernel

allows for more caramel to be glazed on top

without crushing it.

Next, the vat of coated popcorn

is poured onto a cooling tray.

Oh!

Oh, my God, it smells so good.

And we're doing this not to make it clump, right?

Medha: Am I doing a good job?

Medha: [laughing] Go ahead.

I was booted out.

So, Eric here stepped in

because we only have a small window

until the CaramelCrisp cools off,

and we needed to separate it enough

so that when it cooled off there was no clumps.

And we have to do this so lightly

so that we don't crush the popcorn.

Next comes the CheeseCorn.

It's made with mushroom kernels that are round and fluffy.

After popping, they're smothered with

a mouthwatering cheddar cheese sauce.

But beware: Garrett's CheeseCorn has a reputation

for staining your fingers.

Conan O'Brien: A lot of viewers noticed something

during Kelsey's interview.

Here's a still from the interview.

He was eating the cheese popcorn with his hand,

and it got all over his hand when he came out.

Crystal: For the CheeseCorn, we're using real cheese,

and you can spot another, you know, fellow Chicagoan

with the cheesy fingers when you're walking down the street.

Medha: So, I've never tried this before,

because I tend to be a person

who doesn't like to mix her sweet and savory.

But this is me trying out the CaramelCrisp

and the CheeseCorn together.

That's surprisingly good.

That's really good!

I never think to mix a salty snack with my sweet,

but this makes it like you can...

you can do both, and you can enjoy it.

And what I noticed is that there's a lot more flavor

in this popcorn than movie-theater popcorn.

Like, movie-theater popcorn, I feel like

I just have to keep dumping the butter onto it

to get some semblance of flavor,

but with this, with one bite

I can feel it exploding in my mouth,

which is pretty good.

Customer: It's very addicting.

Medha: But how did this iconic Chicago popcorn chain

get its start?

Crystal: So, Garrett Popcorn originated in 1949.

It was Gladys Garrett.

Her family, they sat around the table,

they had a contest to come up with the best

CaramelCrisp recipe.

Medha: Then the Garrett family

opened up their first stop on 10 West Madison.

Soon enough, they had opened up eight additional shops

all around Chicago.

And before they knew it, they were everywhere.

Halle Berry: My Garrett's popcorn.

This is all I need, right here.

I don't need a husband.

I just need my Garrett's Popcorn.

Oprah: Have you been to Garrett's?

Have you had Garrett's Popcorn?

Steve Harvey: Yes, yes, yes.

Oprah: It's my favorite, favorite.

Steve: Oh, man, you and my wife.

Medha: In 2002, Oprah Winfrey helped launch

the Garrett Mix to international fame

when she named it as one of her favorite things.

Oprah: I bought Garrett's for everybody!

Medha: The afternoon of the broadcast,

Garrett had over 100,000 web hits,

and its sales volume for the month

increased by over 100%.

Now competing brands all over the world

sell the sweet and savory Chicago-style popcorn,

and Garrett has expanded to locations

all around the world.

And its iconic tin has been featured on TV shows

like "Glee," "Modern Family," "How I Met Your Mother,"

"Insecure," and "Shameless."

But with all the fame and celebrity hype,

it still remains humble and meaningful

to the local Chicago community.

Crystal: For many of our fans, they've grown up

coming into our lines and getting Garrett.

So for them this is part of their experience,

it's part of their memories,

it's part of their childhood and their tradition as well.

Customer: It tastes like nothing else

we've ever had before,

so it makes it special to come here to get it.