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Department of RecipesDrinks

Matcha Oat Milk Latte

  • 5 min prep
  • 7 min
  • Mix
  • Serves 1
  • 155 kcal
  • 3.1 g protein

Bright green matcha whisked smooth in warm water, poured over oat milk, hot or iced. A cafe latte at home in five minutes, with no lumps and no bitterness.

Iced matcha oat milk latte in a tall glass with a green layer over white oat milk, beside a bowl of matcha powder

Ingredients

  • 1 tsp (2 g) matcha powder
  • 3 tbsp (45 ml) water at about 80°C
  • 2 tsp (13 g) maple syrup, or to taste
  • 1 cup (240 ml) oat milk, barista-style for the best foam
  • A handful of ice cubes (for iced)

Method

  1. 1Boil water and let it stand for 2 to 3 minutes so it cools to about 80°C. Boiling water scorches matcha and makes it bitter.
  2. 2Sift the matcha through a tea strainer into a wide bowl or mug to break up any clumps.
  3. 3Pour in the 3 tbsp warm water. Whisk briskly in a zigzag, not a circle, for 20 to 30 seconds with a bamboo whisk or a small hand frother, until smooth with fine foam on top.
  4. 4Whisk in the maple syrup.
  5. 5For a hot latte, warm the oat milk in a saucepan on medium-low until steaming, about 2 minutes, without boiling. Froth it if you like, then pour it over the matcha.
  6. 6For an iced latte, fill a tall glass with ice, pour in cold oat milk, then slowly pour the matcha over the top so it sits in a green layer. Stir before drinking.

Notes from the Department

  • Sifting is the easiest fix for lumpy matcha.
  • Ceremonial-grade matcha tastes sweeter and greener in a latte; culinary-grade works but is sharper.
  • Start with ½ tsp matcha if you are new to the flavour.

Nutrition per serving

Energy
155 kcal
Protein
3.1 g
Carbohydrate
26 g
Fat
3.8 g
Fibre
2.7 g
Sugars
15 g
Computed from the ingredient list with USDA values. Estimates, not medical advice.

Why this works

Matcha is ground whole green-tea leaf, so it does not dissolve; it suspends. That is why it clumps in cold milk and why it needs a small amount of warm water and a brisk whisk first. Once you have a smooth, foamy shot, the milk is just a pour.

Oat milk is a good partner for matcha. Its mild cereal sweetness softens the grassy edge of the tea, and barista-style oat milk foams almost as well as dairy, which gives you that cafe layer on a hot cup. Temperature matters more than technique: water around 80°C keeps the matcha sweet and vegetal, while boiling water draws out bitterness.

Swaps

Use honey, jaggery syrup or a little sugar in place of maple syrup; honey makes it no longer vegan. Homemade oat milk works well for the iced version; for the hot one, warm it gently, as it thickens with heat. Add a drop of vanilla or a pinch of cardamom for a twist. If gluten is a concern, choose an oat milk labelled certified gluten-free.

No whisk?

Put the matcha and warm water in a small jar with a tight lid and shake hard for 20 seconds, or blend the matcha, syrup and oat milk together in a blender for 15 seconds. Both give a smooth result. Drink it fresh; matcha settles and dulls in colour as it sits.

Questions people ask

Why is my matcha latte bitter?
The water was too hot or there was too much matcha. Let boiled water cool for 2 to 3 minutes, to about 80°C, and start with 1 tsp matcha per cup.
How do I stop matcha from clumping?
Sift it before adding water, and whisk it with a small amount of warm water first. Never add matcha powder straight into milk.
Is a matcha oat latte vegan?
Yes, as long as you sweeten it with maple syrup, sugar or jaggery rather than honey.
Does a matcha latte have caffeine?
Yes. Matcha is powdered green tea leaf, so a 1 tsp cup carries more caffeine than a cup of ordinary tea, though usually less than a strong coffee. Go lighter on the powder later in the day.

Inspired by Wholefood Soulfood Kitchen. Method, notes and photograph by the Ministry of Oats.

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