Save some dollars and make your own Iced Brown Sugar Oat Milk Shaken Espresso at home! This delicious Starbucks copycat recipe is really quick and easy. Prep the brown sugar syrup, keep it in the fridge, and you can whip up a delicious sweet beverage in minutes!

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"So delicious and easy to make! The syrup is even better after sitting in the fridge overnight. Great recipe! " - Cecelia ⭐️⭐️⭐️⭐️⭐️ More reviews →
BIG coffee fan here. I LOVE a good coffee. Usually just straight-up black or in my coffee overnight oats, but I happened to try an Iced Brown Sugar Oat Milk Shaken Espresso from Starbucks last week, and just had to recreate it at home.
Now I'm sharing that Starbucks copycat recipe with you so you can try it for yourself. I also have Iced Chocolate Almondmilk Shaken Espresso, Pumpkin Spice Latte, and Apple Crisp Macchiato Starbucks' copycat recipes if you fancy checking them out too!
Iced Brown Sugar Oat Milk Shaken Espresso is a new level of coffee enlightenment that I am totally onboard with. Frothy, delicious, brown sugar sweet, creamy, oaty, iced coffee? Ok, my arm does not need twisting. Bring it on!
And when you add cinnamon and a pinch of sea salt? Game over. Simmer, shake, pour, stir. That first creamy, roasty-toasty, sugary, cinnamon sip? YASSSS PLEASE! Homemade Iced Brown Sugar Oat Milk Shaken Espresso is a game-changer for your coffee-drinking life!
Mel x
P.S. Who can spot the sneaky dog nose in this blog post?
Ingredient Notes
Here's what you need to make your own Iced Brown Sugar Oat Milk Shaken Espresso at a glance, along with some important ingredient notes & substitution ideas:
- Coffee - Best with a double shot of espresso, but you can brew up the same amount of very strong coffee instead if you don't have an espresso maker. That's about (2 fl oz / 60 ml). I highly recommend the Breville Barista Express if you're in the market for a fantastic espresso machine though. Since having ours, we very rarely get coffee out. It makes such great espresso!
- Syrup - We are making our own quick syrup with brown sugar, cinnamon, salt and water. Boil for 10 minutes and you're done. The recipe makes plenty so you have leftovers to store in your fridge...I see lots of deliciously sweet iced coffees in your future! You could use my apple brown sugar syrup if you prefer a hint of fall flavour!
- Oat milk - Homemade oat milk or store-bought. You can use it straight from the carton, but if you've got a little hand held frother I highly recommend a little frothing action first. It makes for a deliciously bubbly, frothy coffee!
Top Tip
To make fancy crushed ice for your glass, put regular ice cubes in a freezer bag, push out the air, seal, then bash with a rolling pin until nicely chippy and crushed.
How To Make Starbucks Iced Brown Sugar Oat Milk Shaken Espresso At Home
Instead of venturing out for a Starbucks drink, make this deliciously sweet and creamy 10-minute homemade alternative. Here's how it's done:
1 - First, you need to make the syrup. Mix the sugar, water, salt and cinnamon and boil them for 10 minutes. You can keep this in the fridge for up to 4 weeks.

2 - Brew a double shot of espresso (or make some very strong coffee).

3 - Pour a touch of syrup and the espresso over some ice in a mason jar or cocktail shaker and shake until really frothy.

4 - Put approximately one cup of fresh ice (depending on the size of your glass) in a glass and pour the frothy coffee mixture over it (ideally through a strainer if you have one but not essential if you don't), then top with oat milk (foamed or straight from the carton). Stir and enjoy!

Storing The Syrup
This recipe makes one iced shaken espresso drink, but multiple servings of the brown sugar syrup. Keep leftovers in a sealed jar/container in the fridge for up to 4 weeks and make more Iced Brown Sugar Oat Milk Shaken Espresso super quickly whenever the mood hits!
Recipe FAQs
From Starbucks this is quite a sweet drink, but the beauty of making it at home is you can control the sweetness by using as much or as little brown sugar syrup as you like. I have a very sweet tooth and usually use 2 to 2½ tablespoons. If you don't have a sweet tooth I'd recommend starting with 1 tablespoon of syrup. You can always add a little more to taste if necessary.
Shaking the espresso and syrup together with ice creates a smoother coffee taste due to the quick cooling, dilution from the ice, and the aeration. I've tried it both ways, shaken and not, and you can definitely taste the difference. It's well worth the extra step.
This drink is equally delicious hot. Simply combine the brewed espresso and brown sugar syrup in a mug, then top up with hot oat milk (frothed if you can).
Recipe

Iced Brown Sugar Oat Milk Shaken Espresso
Author:WATCH HOW TO MAKE IT
Ingredients
For the syrup (you'll have lots leftover for future drinks!)
- 1 cup (200 grams) brown sugar
- 1 cup (240 ml) water
- ½ teaspoon ground cinnamon
- ¼ teaspoon sea salt
For the shaken espresso
- 2 shots (2 fl oz / 60 ml) espresso , or the same amount of very strong brewed coffee
- About ¼ to ½ cup (60 - 120 ml) oat milk , or enough to top up the glass
- ice
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INSTRUCTIONS
For the brown sugar syrup
- First make the syrup. Add the brown sugar, water, cinnamon and salt to a small pan. Bring to a boil and simmer, stirring or swirling occasionally, for 10 minutes. Remove from the heat and pour into a small jar or other heat proof lidded container. Use right away or store in the fridge until needed.
For the shaken espresso
- Brew a double shot of espresso.
- To a jar or cocktail shaker, add some ice, then the espresso and a little brown sugar syrup (I like to use 2 tablespoons but you can add as much or as little as you like). Put the lid on and shake until foamy.
- Add ice to a tall glass and strain over the espresso syrup mixture.
- Top up with cold oat milk. I like to froth my oat milk with a hand held frother before adding it. It makes your iced coffee feel extra special!
- Stir well then enjoy!
NOTES
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Tara says
Such an excellent recipe. We used it in coffee and also tried it in an iced matcha. One teaspoon mixed with soy milk and the matcha was delicious. Thanks again Mel!
Cec says
SO GOOD and so easy!!!!
Cecilia says
So delicious and easy to make! The syrup is even better after sitting in the fridge overnight. Great recipe! :)
Lisa says
Mmmm… this has been my go to dessert for the past few months. I’ve been using regular coffee left over from the morning. Whiz it up with some ice, and top with frothed oat milk.
Courtney R says
I did not expect to like this as much as I did! I used cheap not great strong brewed coffee and still liked it! I'll be picking up some espresso asap so I can try that.
@veryfrequentsteeper says
My daughter has nespresso and oat milk over ice every morning. She made this and said it was delicious! A delicious treat for the weekends. She will definitely be enjoying it again. Thanks for sharing!
Melanie McDonald says
That's awesome. So pleased she enjoyed it!
Tara says
Another excellent recipe!! Teen says it’s just LIKE the one she buys but better! Thank you.
Melanie McDonald says
That's awesome! So pleased you're both enjoying it!
Heather says
So good! Getting ready to make a second batch and have recommended to others. Thank you!