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Tom’s Guide
Tom’s Guide
Technology
Erin Bashford

People are mixing coffee with Diet Coke (yes, really) — I'm an ex-barista, and I tried the viral 'fridge cigarette'

A photo of a diet coke with the coffee lab logo.

The Coffee Lab

(Image credit: Tom's Guide)

I'm Erin, and welcome to the twenty-first episode of The Coffee Lab, the series where we forget coffee snobbery. The Coffee Lab is all about making coffee fun. Join me as I help you kickstart your coffee journey!

Let me put you onto something weird: the "Fridge cigarette." I've seen this term used to refer to a cold, crisp can of Diet Coke, but recently, another meaning has arisen: Diet Coke + espresso. As director of The Coffee Lab and coffee nerd, I had to try this out. What do you mean, people are mixing coffee and Diet Coke? How can that possibly taste good?

To make it, I bought a simple can of Diet Coke and made a shot of espresso using my Breville Bambino. Then, I mixed them — simple as that. No fiddling with measurements or layering cream on top like Starbucks's Sweet Cream Cold Brew.

So, is the "Fridge cigarette" worth your time? Let's get into it. If you want me to try out more weird recipes, comment them down below, and I'll be sure to include them in the next Coffee Lab video.

How to make a 'fridge cigarette'

As I said earlier, making a fridge cigarette is super easy.

1. Procure a can of Diet Coke

2. Pull a shot of espresso

3. Mix them together

How does it taste?

It doesn't look appealing, but the fridge cigarette actually tastes... good?

If you like Espresso Martinis, you'll love the fridge cigarette. It took me a moment to identify the flavor — at first I thought Guinness, but then realized that wasn't the specific flavor I was tasting. It's sweet and vanilla-y, with a rich, malty afternote rounding it out.

I mean, it's not massively shocking. Diet Coke = vanilla. Espresso = coffee. Espresso Martini = vanilla, coffee. All the same flavors are going on here.

(Image credit: Erin Bashford)

What about caffeine content? I mean, if you're super exhausted, this might be a way to bring you back to life. As soon as I drank about half, my hands started shaking, and I was acutely aware of the fluorescent lights in the studio. This isn't a drink I'd recommend if you're sensitive to caffeine. This is only for hardened caffeinators.

As always, let me know if you have any questions or if there are any other weird coffee drinks you want me to taste-test next. Stay tuned for the next episode of The Coffee Lab, landing at a YouTube, TikTok, and Instagram near you.

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