In short: Whisk 1–2 tsp (2–4 g) of pure matcha with a splash of water, add 180–240 ml of milk over ice, and sweeten to taste. It takes about 5 minutes and makes one drink. Starbucks' version comes pre-sweetened — about 34 g of sugar in a Grande — so making it at home is how you control the sugar.
A note on the numbers: there's no official Starbucks recipe, so the doses, ratios and temperatures below are the working ranges baristas and matcha drinkers rely on, not measured specs. The nutrition, caffeine and calorie figures are sourced (Starbucks' own AU panel, USDA and EFSA) and cited at the end.
The quick answer: what goes in a copycat
A Starbucks matcha latte is three things: matcha, milk, and sweetener, served over ice. To copy it, whisk 2 g (1 tsp) of matcha for a standard drink or 4 g (2 tsp) for a strong one into a smooth paste, pour over 180–240 ml of milk and ice, then add 1–2 teaspoons of syrup to match the café sweetness. The one thing most copycats get wrong is sweetness: Starbucks' drink is sweetened for you, so a pure-matcha version tastes flat until you add a little syrup back.
How do you make an iced Starbucks matcha latte at home?
Iced is the way most people order it, so start here. The method is a quick job once your matcha is whisked smooth, and you can cold-whisk the powder to skip heating any water at all.
What you need for an iced Starbucks matcha latte
- 2 g (1 tsp) matcha for a standard drink, or 4 g (2 tsp) for a strong one
- A small splash of water, about 30–60 ml, to loosen it
- 180–240 ml milk (dairy, or oat/almond/soy/coconut)
- 1–2 tsp classic or vanilla syrup, to taste, or less for a lower-sugar drink
- A cup of ice
- A whisk (a bamboo chasen or a small electric frother; a jar and a good shake works in a pinch)
Iced Starbucks matcha latte, step by step
- Sift and whisk the paste. Add the matcha to a cup with 30–60 ml of cool or lukewarm water and whisk in a zig-zag until there are no lumps. Cold water is fine for iced; you don't need heat.
- Sweeten the paste. Stir 1–2 tsp of syrup into the warm-ish paste now, while it dissolves easily, using less if you want a lighter drink.
- Build the glass. Fill a glass with ice, pour in 180–240 ml of cold milk.
- Pour and stir. Add the matcha paste over the milk for the layered look, then stir before drinking. It takes about 5 minutes start to finish and makes one drink.
A fine-pronged whisk is what gets matcha lump-free the way a spoon can't, and it's the one tool a recipe reader actually needs. Our Matcha Tea Set pairs the whisk and scoop with a starter tin of the same premium matcha, if you're setting yourself up.
How do you make a hot Starbucks matcha latte?
The hot version is just as easy; the only real change from iced is the milk goes warm and the water must not boil. Use the same matcha dose.
What you need for a hot Starbucks matcha latte
- 2 g (1 tsp) matcha, up to 4 g (2 tsp) for a strong drink
- Water at about 70–80 °C, never boiling
- 180–240 ml milk, steamed or warmed
- 1–2 tsp syrup, to taste
Hot Starbucks matcha latte, step by step
- Heat the water, not to a boil. Bring water to about 70–80 °C, well below boiling; boiling water scorches matcha and turns it bitter.
- Whisk the paste. Add 30–60 ml of that water to your matcha and whisk smooth.
- Sweeten. Stir in 1–2 tsp of syrup while the paste is warm.
- Steam and combine. Steam or warm 180–240 ml of milk, pour it over the paste, and stir. That's one hot latte in about 5 minutes.
What does Starbucks actually put in their matcha latte, and can I buy the powder?
Starbucks' Australian Iced Matcha Green Tea Latte lists just two things on the label: green tea powder and sugar cane syrup, blended with milk and served over ice. It is, in other words, a sweetened matcha blend rather than plain matcha, which is why a home copycat needs a little syrup added back to taste the same. A Grande carries about 34 g of sugar, most of it from that pre-sweetened base rather than a syrup the barista pumps in.
Can you buy the exact Starbucks blend? Not the café version, but you don't need it. The blend's appeal is the milky, sweet flavour, and you can rebuild that with pure matcha plus your own sweetener, keeping full control over how much sugar goes in. Pure matcha is also the more versatile buy: it makes the iced and hot latte, and it isn't pre-loaded with sugar. Any pure premium matcha does the job; Zen sells one, Premium Grade Matcha.
What's the matcha-to-milk-to-sweetener ratio by size?
Match the drink to the cup size and the ratio stays consistent. No rival recipe lays this out by size, so here it is as a starting point (a convention, not an official spec):
| Starbucks size | Volume | Matcha | Milk | Syrup (to taste) |
|---|---|---|---|---|
| Tall | 354 ml | 1 tsp (2 g) | ~180 ml | 1 tsp |
| Grande | 473 ml | 1–1½ tsp (2–3 g) | ~240 ml | 1–2 tsp |
| Venti | 591 ml | 2 tsp (4 g) | scale up to taste | 2 tsp |
Ratios are a working convention to start from, then adjust to taste, not a measured optimum. Milk stays at the 180–240 ml base; add proportionally more for a Venti.
How do I make it taste closest to Starbucks?
Three things get you closest to the café flavour: match the sweetness, use plenty of milk, and serve it iced, which is the form most people picture. Pure matcha on its own is grassier and more savoury than the Starbucks blend, so the syrup and milk are what round it into that familiar mellow, sweet cup. Classic or vanilla syrup both work; 1–2 teaspoons matches the café's sweetness, and cutting it back is the easiest way to make the drink your own. Taste is subjective, so treat this as getting close to Starbucks rather than an exact match.
How do I make it with less sugar than Starbucks?
This is the real reason to make it at home: you decide the sugar. A Starbucks Grande has about 34 g of sugar baked into the drink before you touch it. Build the same drink from pure matcha and 1–2 tsp of syrup, or none, and you set that number yourself. The matcha powder adds almost nothing to the calorie count, about 6–7 kcal; it's the milk and syrup that drive the total.
| Starbucks Grande | Home, pure matcha | |
|---|---|---|
| Sugar | ~34 g, fixed | you choose (0–2 tsp) |
| Calories | ~256 kcal | ~47 (almond) / 118 (oat) / 149 (whole) per cup + ~6–7 from matcha |
| Cost | ~A$7 | cents of matcha per cup |
Grande figures are Starbucks' own AU panel; home calories are per 240 ml milk cup from USDA data; the price is an approximate AU range, not an official figure.
Choose a lighter milk and less syrup and the home version comes in well under the café drink on both sugar and calories, for a fraction of the price. If you want to set yourself up to make it every morning, Zen's Premium Grade Matcha is the single powder that covers the iced and hot version, with no added sugar of its own so the only sweetness is the amount you add.
Can I make it dairy-free?
Yes, and so does Starbucks: it offers oat, almond, soy and coconut. Swap in any of them at the same 180–240 ml, no other change. Oat comes closest to the creamy Starbucks texture at about 118 kcal per cup, while almond is the lightest at about 47 kcal. Soy and coconut both work too; pick for taste, since the matcha and method stay the same.
What grade of matcha should I use for a copycat?
For a milky, sweetened, iced drink, a premium-grade matcha is the sweet spot: smooth enough to drink but robust enough to hold its flavour through milk, ice and syrup, without paying for grades you won't taste here. Here's the quick tour. Culinary grade is made for baking and can turn bitter or dull under milk. Ceremonial grade is the most delicate, made to be sipped with just water, so its subtlety is wasted (and overpriced) once you add milk and sweetener. Premium sits between them, which is exactly where a copycat latte lives.
That's why Zen sells one matcha rather than a wall of grades: our Premium Grade Matcha is chosen to hold up in milk, which is how most people actually drink it.
How much caffeine and how many calories are in a Starbucks matcha latte?
A Starbucks Grande matcha latte has about 110 mg of caffeine, ranging from roughly 75 mg in a Tall to 150 mg in a Venti. It carries about 256 calories in a Grande, from 184 in a Tall to 327 in a Venti, on the default milk.
A home version's caffeine is set by how much matcha you use, not the milk or ice: roughly 60–130 mg depending on whether you use 1 or 2 teaspoons. That range is worked out from the powder dose rather than measured in the cup, and it brackets Starbucks' ~110 mg. For most healthy adults that sits comfortably under the roughly 400 mg a day regulators consider safe; during pregnancy the guidance is about 200 mg a day, which one latte still fits inside.
For the full breakdown, see our guides on matcha caffeine and matcha calories. Here are the Starbucks figures by size:
| Starbucks size | Calories | Sugar | Caffeine |
|---|---|---|---|
| Tall (354 ml) | 184 | 24 g | 75 mg |
| Grande (473 ml) | 256 | 34 g | 110 mg |
| Venti (591 ml) | 327 | 44 g | 150 mg |
Starbucks Australia's own nutrition panel, default milk.
What about the Starbucks strawberry (pink) matcha?
That's a different drink with a strawberry base, and we've written it up separately: see our iced strawberry matcha latte recipe. For a plain café-style latte without the Starbucks angle, the matcha latte recipe covers the basics.
Starbucks matcha latte FAQ
How do you make a Starbucks matcha latte at home? Whisk 1–2 tsp (2–4 g) of matcha with a splash of water, add 180–240 ml of milk over ice, and sweeten with 1–2 tsp of syrup to taste. About 5 minutes for one drink.
What matcha does Starbucks use, and can I buy it? Starbucks uses a pre-sweetened green tea powder blend, not plain matcha. You can't buy the café blend, but pure premium-grade matcha rebuilds the flavour, and adding your own syrup means you control the sugar.
How much caffeine is in a Starbucks matcha latte? About 110 mg in a Grande, from roughly 75 mg (Tall) to 150 mg (Venti). A home version runs about 60–130 mg depending on your dose, estimated from the powder rather than measured in the cup.
How many calories are in a Starbucks matcha latte? About 256 in a Grande, from 184 (Tall) to 327 (Venti) on the default milk. A home version with lighter milk and less syrup can come in well below that.
How do I make it taste like Starbucks? Match the sweetness with 1–2 tsp of classic or vanilla syrup, use plenty of milk, and serve it iced. Pure matcha is grassier, so the syrup and milk round it out.
Is a homemade matcha latte lower in sugar than Starbucks? It can be, because at home you control the sugar. A Grande has about 34 g baked in, and you choose how much of that to keep.
Can I make a Starbucks matcha latte hot? Yes. Same matcha dose, but use water at about 70–80 °C, not boiling, and steam or warm the milk.
How much does a Starbucks matcha latte cost in Australia? Roughly A$6.50–8.00 depending on size, about A$7 for a Grande, versus a few cents of matcha at home. Prices vary by store and change over time.
What milk does Starbucks use, and can I make it dairy-free? Starbucks offers oat, almond, soy and coconut alongside dairy. Any of them works at home at the same volume; oat is closest to the texture, almond is lightest.
What about the Starbucks strawberry (pink) matcha? That's a separate strawberry-based drink; see our iced strawberry matcha latte recipe.
About the author and sources
Written and reviewed for accuracy by Erin Young, founder of Zen Green Tea, sourcing matcha directly from Japanese farms since 2012. This review is experiential rather than clinical; the caffeine and safe-intake guidance below is drawn from published sources, and a credentialed medical reviewer remains an open upgrade for the health figures.
The recipe doses, temperatures, ratios and grade guidance are conventions, not lab specs: there's no official Starbucks recipe, so they reflect standard matcha practice and Zen's own product guidance, confirmed by the author. The nutrition, caffeine and calorie figures are cited to primary sources.
Sources
- Starbucks Coffee Australia — official Iced Matcha Green Tea Latte product page (AU nutrition panel and ingredient list, by size)
- USDA FoodData Central — per-milk and matcha calorie data
- PMC (NIH/NLM) — matcha caffeine assay used to derive the home-latte range
- EFSA — Scientific Opinion on the safety of caffeine (daily-intake guidance)
- FrugalFeeds Australia — Australian Starbucks price guide (approximate, not an official price)