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How to Make Starbucks Vanilla Sweet Cream Cold Brew at Home

Cold Brew and Sweet Cream: Two Simple Things, One of Them Overnight

Cold brew that is smooth rather than sour, and the cream that falls through it in ribbons.

By food.fast editors Published Updated Print
Start cooking — the method What you need 10 min hands-on, then 16 hr waiting · serves 6
A tall glass of dark iced coffee with a white cream cascading down through it in ribbons, on a dark surface

AI-generated illustration created for food.fast. It is not photographic evidence of a prepared batch.

Prep
10 min
No cooking
None
Rest / chill
16 hr
Makes
61 litre of cold brew concentrate - six drinks
Difficulty
Very easy
Per serving
148 kcal

Cold brew is not iced coffee. Iced coffee is brewed hot and chilled; cold brew is steeped in cold water for many hours and never heated at all. The difference is chemistry rather than temperature.

Most of the compounds that make coffee taste sour and bitter are extracted quickly and need heat. Steep the same grounds in cold water and they barely come out at all, while the sugars and the heavier aromatic compounds come out slowly over hours. The result is roughly 60 per cent less acidic than the same coffee brewed hot, noticeably sweeter, and much smoother.

The sweet cream on top is the other half. It is two parts cream to one part milk with vanilla syrup, frothed cold, and the thing it does - falling through the coffee in slow white ribbons - is a density effect that is genuinely satisfying to watch.

How this page shows its working

The method gives quantities, timings and observable cues rather than asking you to guess. The 5 cases in If it goes wrong explain likely causes and corrective action.

See the recipe verification standard · See how the cost is calculated

Grind size and steep time, which are the only two variables that matter

Grind coarse. Like breadcrumbs, or what you would use for a cafetière. Fine grounds have more surface area and will over-extract even in cold water, giving a muddy, bitter brew, and they are almost impossible to filter out.

Sixteen hours at room temperature, or twenty-four in the fridge. Cold extraction is slow and the curve is quite forgiving - anywhere from twelve to twenty hours produces something good. Under twelve is thin and under-extracted; past about thirty it starts to pick up a woody, papery note.

The ratio here is 1:5 by weight - 200 g of coffee to 1 litre of water - which gives a concentrate you dilute roughly half and half with water or milk. Brewing at drinking strength directly works but wastes fridge space and gives you less flexibility.

Filter twice. Once through a sieve to get the grounds out, then once through a paper coffee filter or muslin to catch the fines. The second filter is what takes it from cloudy and slightly gritty to clear.

Why the sweet cream must be cold and must be frothed

The cascade - cream falling through the coffee in slow ribbons rather than mixing straight in - happens because the frothed cream is less dense than the coffee and full of tiny air bubbles that slow its descent.

Two things break it:

Warm cream is thinner and mixes immediately. Everything must be refrigerator-cold, including the jug.

Unfrothed cream has no air in it and sinks as a lump. Thirty seconds with a handheld frother, or forty-five seconds shaken hard in a sealed jar, incorporates enough air to change the behaviour completely.

Pour it slowly over the back of a spoon held just above the coffee's surface and it will spread and then fall in sheets. Pour it fast from height and it simply mixes.

How to make it, step by step

The cold brew, the night before

  1. Stir the grounds into the cold water and leave them

    All the grounds into the jar, all the water over them, stirred once so nothing is sitting dry on top. Lid on, room temperature.

    About 3 min

  2. Sixteen hours, undisturbed

    Do not stir it again. Agitating the bed during extraction pulls out the bitter compounds the whole method exists to avoid.

    About 16 hr

  3. Filter through a sieve, then through paper

    Sieve first to get the bulk of the grounds, then through a paper coffee filter or a double layer of muslin. The second pass is slow - give it ten minutes and do not push it.

    TipSqueezing the filter forces fines through and makes the brew cloudy and slightly bitter. Let gravity do it.
    About 12 min

The sweet cream and the drink

  1. Froth the cold cream, milk and syrup for thirty seconds

    Everything fridge-cold. It should thicken noticeably and hold soft ripples - somewhere between pourable and whipped.

    TipStop while it still pours. Over-frothed, it becomes whipped cream and sits on top instead of cascading.
    About 1 min

  2. Ice, concentrate, water

    A tall glass of ice, 150 ml of concentrate, 100 ml of cold water. Stir once.

    About 1 min

  3. Pour the cream slowly over the back of a spoon

    Hold a spoon just above the surface and pour onto it. The cream will spread across the top and then fall through in white ribbons.

    About 1 min

What to do with the leftover grounds, and the rest of the concentrate

The grounds have had a long cold extraction and still hold plenty of structure. They are excellent in a compost heap, and they work as a mild abrasive for scrubbing a pan. What they are not good for is a second brew - the soluble material is gone.

The concentrate keeps two weeks in the fridge, which makes this the most practical coffee recipe here: fifteen minutes of work on a Sunday gives you six drinks across the fortnight, at about eight pence a drink.

It is also a better base than hot coffee for anything cold. An iced latte made with cold brew rather than chilled espresso is smoother and less sour, and an espresso martini made with it is genuinely better than one made with a shot.

Cold brew ratios, and what each one is for

By weight. Coffee to water. Steep sixteen hours at room temperature for all of them.
RatioCoffee to 1 lResultUse
1:4250 gVery strong concentrateDilute 1:2
1:5200 gConcentrate - this recipeDilute 1:1
1:8125 gReady to drinkStraight over ice
1:1285 gWeakNot recommended

Cold brew against hot-brewed iced coffee

Expected brewing characteristics at the same nominal dose; bean, roast, grind and water will change the result.
Cold brewHot brewed, chilled
AcidityLowHigh
BitternessLowModerate
Perceived sweetnessHighLow
Time16 hours5 minutes
Keeps2 weeks1 day

Ways to change it once you have made it once

Salted cream cold foam

Add a quarter teaspoon of flaky salt to the cream. It makes the sweetness read as caramel.

Dairy free

Barista oat milk plus 2 tbsp of coconut cream, frothed. Oat milk alone will not hold the ribbons.

Nitro style

A cream whipper charged with nitrous oxide gives the cascading bubbles and thick head. Considerable equipment for a small gain, but it works.

What went wrong, and how to fix it

Each entry names a likely cause as well as a correction, so the advice remains useful when equipment, ingredients or batch size differ.

It is cloudy and gritty
Why it happened
Ground too fine, or the filter was squeezed.
What to do
Coarse grind, and let the paper filter drip without pressure.
Weak and watery
Why it happened
Too little coffee, or steeped under twelve hours.
What to do
1:5 by weight and sixteen hours. It is difficult to over-steep and easy to under-steep.
The cream sank straight in
Why it happened
Not cold enough, or not frothed.
What to do
Everything fridge-cold, frothed for thirty seconds, poured over the back of a spoon.
The cream became whipped cream
Why it happened
Over-frothed.
What to do
Stir a tablespoon of cold milk into it. Stop frothing while it still pours.
It tastes woody
Why it happened
Steeped too long - past about thirty hours.
What to do
Sixteen hours at room temperature. If you are steeping in the fridge, twenty-four.

Questions people actually ask about this recipe

What is the difference between cold brew and iced coffee?
Cold brew is steeped in cold water for many hours and never heated. Iced coffee is brewed hot and chilled. Cold brew is much lower in acidity and tastes sweeter.
How long should cold brew steep?
Sixteen hours at room temperature, or twenty-four in the fridge. Twelve to twenty all work.
Why does my cream sink instead of cascading?
It needs to be fridge-cold and frothed for thirty seconds so it holds air. Pour it over the back of a spoon.
How long does cold brew keep?
Two weeks as a concentrate in the fridge, which is what makes it worth the overnight steep.

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