Coffee
How to Make Cold Foam at Home
Cold foam is milk whipped cold until it holds a thick, pourable head — no steam, no heat. With a handheld frother it takes about 30 seconds: pour 1/4 cup (60 ml) of cold milk into a tall cup, run the frother just under the surface until the volume roughly doubles, then pour it over iced coffee or cold brew.
The base recipe
- Pour 1/4 cup (60 ml) of cold milk into a narrow cup or jar. Narrow is important: the whisk needs depth, not width.
- Hold the frother head just below the surface and run it for 20-30 seconds, tilting the cup slightly so the milk circulates.
- Stop when the volume has roughly doubled and the surface looks glossy rather than bubbly.
- Pour it slowly over your iced drink. Cold foam should sit on top for a minute or two before it starts folding into the coffee.
Which milk froths best cold
- Skim and non-fat dairy milk froth thickest cold. Protein builds the foam and fat softens it, so less fat means a stiffer head.
- 2% works and tastes richer, but the foam is looser and collapses sooner.
- Whole milk and cream make a heavy, sauce-like foam rather than an airy one — that is the texture used for sweet cream foam.
- Barista-style oat milk froths well cold because it is formulated with added protein and stabilisers. Standard oat milk is thinner.
- Everything froths better straight from the fridge. Warm milk is the single most common reason cold foam refuses to build.
Sweet cream cold foam
- Combine 2 tablespoons of heavy cream, 2 tablespoons of milk and 1-2 teaspoons of vanilla syrup or simple syrup in a cup.
- Froth for 15-25 seconds only. Cream thickens fast, and over-frothing turns it into whipped cream that sits in a lump instead of pouring.
- For vanilla sweet cream, use vanilla syrup; for a lighter version, swap the heavy cream for more milk and accept a thinner head.
- Sweeteners are best added before frothing so they dissolve in the vortex rather than sinking to the bottom.
How to make cold foam without a frother
- Jar method: fill a sealable jar no more than a third full, shake hard for 45-60 seconds, then let it settle for 30 seconds.
- French press: pour cold milk in and plunge quickly 30-40 times.
- Small whisk or immersion blender: work near the surface, in short bursts, so you pull air in rather than just stirring.
- All three work. None of them match the fine, even bubble structure a frother whisk produces, and all of them take longer.
Fixing foam that will not build
- Milk not cold enough — chill it properly first.
- Cup too wide, so the whisk spins without creating a vortex. Use a tall, narrow vessel.
- Whisk too deep: submerged fully, it stirs instead of aerating. Keep it just under the surface.
- Too much milk. Cold foam needs headroom; a quarter cup is plenty for one drink.
- Residue on the whisk from a previous drink — oils and syrups kill foam. Rinse the head right after each use.
Gocha FrothMaster Handheld Milk Frother
View the productPour about 1/4 cup of cold milk into a tall narrow cup and run a handheld frother just below the surface for 20-30 seconds, until the volume roughly doubles. Pour it over iced coffee or cold brew.
Skim or non-fat dairy milk, because foam is built by protein and softened by fat. Barista oat milk is the best non-dairy option since it has added protein.
Yes — shake cold milk in a sealed jar for about a minute, or plunge it in a French press. The foam is coarser and takes longer than with a frother whisk.
Usually the milk is not cold enough, the cup is too wide to form a vortex, or the whisk is too deep. Keep the whisk just under the surface of fridge-cold milk in a narrow cup.
A well-made skim-milk foam holds its head for a couple of minutes before folding into the drink. Higher-fat foam softens faster.