Flatiron Coffee

Flatiron Coffee

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01/28/2026

It’s that time! Did you wake up on the wrong side of the swamp? Don’t worry, Donkey and I will take care of you.

I’ll admit, I got a little unhinged when I was making “All That Glitters is Gold.” It’s a popcorn latte with popcorn seasoning, butterscotch, caramel, and salt. It’s weirdly delicious though. Maybe something that you might judge at first glance and then realize you’ve been wrong about all along.

CHECK OUT OUR NEW SHREK MENU. And remember: ogres are like espresso shots; they’ll get you hyped and are fairly aggressive. No, that’s not right. They are intense and tannic. Nope, still wrong.

THAT’S RIGHT. Ogres are like espresso shots because they have layers! Thank you, I’ll be here all night.

12/02/2025

What’s more terrifying than staring down the open maw of the end of another year? Flatiron Coffee’s holiday drink menu!

My favorite right now is the Gizmocha. Inspired by the classic movie GREMLINS, this Dubai chocolate flavored drink is quite the keeper. If you don’t feed it after midnight, that is.

09/30/2025

It’s that time! No, not pumpkin spice time (though there is a wonderfully balanced twist on a pumpkin latte in this new menu)!

It’s time to PARRY IT!

Grab your expedition friends and venture forth, filled with both ennui and delicious, delicious coffee.

For those who come after!

07/11/2025

You are my cold brew
It tastes so very true
Believe when we say
You want it that way

Off of our new boy band-themed menu: BREW KIDS ON THE BLOCK

We got your Hansons and your BoyzIIMen and your Beach Boys and even yes, your BTS(es).

My favorite (and since I make the menus, I put it first) is UP ALL NIGHT by One Direction. We put some sweetened condensed milk in our smooth house-made cold brew and poured it all over ice with a milk of your choice. It’s dreamy and it’s fresh—just like a boy band.

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2721 Arapahoe Avenue
Boulder, CO
80302

Opening Hours

Monday 6am - 6pm
Tuesday 6am - 6pm
Wednesday 6am - 6pm
Thursday 6am - 6pm
Friday 6am - 6pm
Saturday 6am - 6pm
Sunday 6am - 6pm