Brown Sugar Oatmilk Shaken Espresso
Three shots shaken with brown sugar and cinnamon, poured over ice and topped with oat milk. The shake is doing real work and the oat milk is not an afterthought.
At a glance
- Espresso : oat milk
- 1:2
- Active time
- 8 min
- Total time
- 9 min
- Makes
- 1 tall glass
- Serve
- Over fresh ice
- Kit
- Cocktail shaker
Ingredients
Note: For the syrup: 150 g dark brown sugar and 150 ml water, warmed until dissolved, with a cinnamon stick left in as it cools. Keeps a month.
Method
-
Make the syrup
Equal weights of dark brown sugar and water in a pan, warmed and stirred until clear. Drop in a cinnamon stick and leave it to cool in the syrup.
It does not need to boil. Dissolved is enough, and boiling just thickens it unnecessarily.
-
Syrup and cinnamon into the hot shots
Pull three shots into the shaker, then stir in 20 ml of syrup and the ground cinnamon while it is hot.
Cinnamon does not disperse in cold liquid; it floats in clumps. Added to the hot espresso and shaken, it suspends properly.
-
Shake hard for ten seconds
Fill with ice, seal, shake until the shaker frosts. There should be a light foam when you open it.
Shake 10 seconds -
Strain over fresh ice, then oat milk
Fill a tall glass with new ice, strain the coffee over it, and pour the oat milk slowly on top so it clouds down through the dark coffee.
Serve unstirred with a dusting of cinnamon.
Why this works
Brown sugar is white sugar with molasses returned to it, and that molasses is why this works where a plain simple syrup would be forgettable. It brings a slight bitterness and a caramel depth that stands up to three shots of espresso, where plain sugar would just make the coffee sweeter without adding anything.
Oat milk is a genuinely good pairing rather than a dietary substitution. Oat milk is made by treating oat starch with enzymes that break it into shorter sugars, principally maltose, which is why it tastes sweeter than dairy milk without any sugar added. That cereal sweetness lines up with the brown sugar and the cinnamon, and the result is more coherent than the same drink with dairy. Use a barista formulation: standard oat milk has too little protein to hold any foam and is more prone to splitting against acidic coffee.
The shake does three jobs at once, covered in more detail on the iced shaken espresso page: it chills the coffee in seconds rather than melting a glass of ice to get there, it aerates it into a light foam, and it dilutes by 15 to 20 percent, which rounds off what would otherwise be an aggressive triple shot.
Cinnamon goes in hot for a practical reason. It is not water soluble and will not disperse into a cold drink; it clumps and floats. Stirred into 70°C espresso and then shaken, it stays suspended through the glass.
Variations
- Dairy: whole milk works, though the drink loses the cereal sweetness that makes it hang together.
- Stronger: four shots in a larger glass.
- With vanilla: 10 ml of vanilla syrup alongside the brown sugar.
- Hot: skip the ice and shake, build it as a latte over the syrup.
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Questions
Why oat milk specifically?
Oat milk is naturally sweet because the oat starch is enzymatically broken down into maltose, and that cereal sweetness matches the brown sugar and cinnamon. Dairy works but the drink is less coherent.
Why is my cinnamon floating in clumps?
It went into a cold liquid. Cinnamon is not water soluble, so stir it into the hot espresso and shake it, which suspends it through the drink.
How many shots do I need?
Three for a tall glass. The shake dilutes by about 15 to 20 percent and the oat milk adds more, so a double tends to disappear. With two shots, cut the oat milk to 80 ml.
Can I use regular oat milk?
It will taste fine in the drink but it will not hold any foam and is more likely to split against a bright acidic espresso. A barista formulation has added protein and stabilisers for exactly this.
How long does the brown sugar syrup keep?
About a month in the fridge. Take the cinnamon stick out after a week or the spice gets overpowering.