Maple Cinnamon Cold Foam: The Easiest Way to Upgrade Iced Coffee

Cold foam is milk that has been frothed while cold until it turns thick and velvety, somewhere between whipped cream and melted ice cream in texture. Unlike whipped cream, it is pourable, so it floats on top of iced coffee and gradually cascades down through the drink. Because it is never heated, the milk keeps its fresh, sweet flavor.

The magic is in the texture contrast. Hot drinks blend foam and liquid quickly, but a cold drink keeps its layers, so you get creamy sips, strong sips, and everything in between. Low-fat milk actually foams better than whole milk because of its higher protein content, though whole milk and oat milk make a richer, more dessert-like foam.

Cold foam also solves a practical problem: iced coffee diluted by melting ice. Because the foam is mostly air, it adds creaminess without watering the drink down, and it melts slowly enough that your last sip still tastes like your first.

For one tall glass, gather a quarter cup of cold milk (2 percent works beautifully, oat milk is the best non-dairy option), 1 tablespoon of real maple syrup, a quarter teaspoon of ground cinnamon, a tiny pinch of salt, and a glass of iced coffee or cold brew. That is the entire list.

A note on the maple syrup: use the real stuff, not pancake syrup, which is mostly corn syrup with flavoring. Grade A amber maple syrup has the clean, pronounced maple flavor that makes this drink special. For frothing, a handheld milk frother is ideal, but a French press or even a tightly lidded jar will get the job done.

Cinnamon varies more than you might think. A fresh jar has a bright, almost citrusy heat, while an old one tastes like dust. If yours has been in the cupboard since last fall, this recipe is a good excuse to replace it.

Pour the cold milk, maple syrup, cinnamon, and salt into a tall cup or the beaker of your French press. If you are using a handheld frother, submerge the whisk and froth for 20 to 30 seconds, until the milk doubles in volume and looks glossy and thick. With a French press, pump the plunger up and down briskly for about 30 seconds. With a jar, seal the lid tight and shake hard for 45 seconds.

Fill a tall glass with ice and pour in your iced coffee or cold brew, leaving an inch or two of room at the top. Slowly pour or spoon the cold foam over the back of a spoon so it floats on top of the coffee. Dust the top with a little extra cinnamon. Serve it right away with a straw, and stir it only if you want to. Watching the foam drift down through the coffee is half the pleasure.

If your foam refuses to thicken, the milk is usually the culprit. Make sure it is very cold, straight from the fridge, and try a different fat level. Skim foams fastest, whole milk slowest, and barista-style oat milk sits happily in between.

Salted maple foam: add an extra pinch of flaky salt to the foam for a sweet-salty version that tastes outrageously good with dark roast cold brew. Pumpkin spice foam: swap the cinnamon for pumpkin pie spice and you have a fall drink that rivals anything on a seasonal menu. Vanilla maple foam: add a drop of vanilla extract for a rounder, sweeter flavor.

For a hot drink version, gently warm the maple cinnamon milk and froth it, then pour it over hot coffee. It will not hold its layers the way cold foam does, but the flavor is just as good. If you enjoy experimenting with foamed coffee drinks, our Dalgona whipped coffee recipe takes the idea in a completely different direction, whipping the coffee itself into a thick, glossy foam.

You can scale the foam recipe up and keep it in the fridge for a day, though it is at its fluffiest in the first hour. A quick re-froth brings most of the volume back.

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Image: AI-generated illustration created for Our Coffee Tyme