How much matcha for bubble tea?

About 4–5g per serving, more if the base is heavily sweetened. Dissolve it in water first and hold it as a concentrate rather than adding powder to a sweet base.

What grade of matcha for ice cream and baking?

A culinary or everyday grade. Freezing and heat both flatten the qualities that make premium matcha expensive, so the money does not reach the customer.

How much matcha do I use in baking?

Start at 2–4% of flour weight, sifted with the dry ingredients. Push toward the higher end if matcha is meant to be the dominant flavour.

Matcha for bubble tea, soft serve, and dessert menus

Bubble tea, soft serve, and baked applications use more matcha per serving than a latte and bury it under more sugar and dairy, so they need an assertive culinary grade at a low cost per serving. Premium grade in these applications is money you cannot taste in the finished product.

Why dessert menus are different

A latte is mostly milk and matcha. A dessert is matcha competing with sugar, cream, condensed milk, tapioca, or a baked crumb — all of which flatten subtlety and demand a higher dose to read as matcha at all.

That combination is the worst possible case for expensive matcha. You need more of it, and less of what you paid for survives.

Bubble tea

A matcha milk tea typically needs 4–5g per serving, more if there is a sweetened syrup base. Dissolve the matcha in water first and keep it as a concentrate; adding powder directly to a sweetened base is the usual source of clumps that end up as grit at the bottom of the cup.

Colour matters more here than almost anywhere else, because the drink is often served in a clear cup and photographed. Colour comes mostly from dose and freshness rather than grade — an under-dosed premium matcha will photograph worse than a properly dosed culinary one.

Soft serve and ice cream

Freezing dulls flavour perception, so matcha ice cream needs a higher matcha percentage than the same recipe would suggest at room temperature. Expect to push the dose until it tastes slightly too strong warm.

This is also a high-volume application where cost per serving compounds fast. A café going through several litres of base a day will feel the difference between a $120/kg and a $380/kg matcha in a way a latte menu never does.

Baking

Start at 2–4% of flour weight, sifted with the dry ingredients. Heat is unkind to matcha: it dulls the green and flattens the aroma, which is why baked goods often need more matcha than expected and why using a delicate grade is wasted effort.

If colour is a problem, check freshness before you check grade. Matcha that has been open for months bakes to a sad khaki regardless of what it cost.

The economics

At 5g per serving, a $380/kg matcha costs about $1.90 per item; a $120/kg matcha costs about $0.60. On a dessert menu where you are also paying for cream, sugar, and labour, that difference decides whether matcha is a viable line item.

What to buy

A culinary grade with assertive flavour and reliable colour, bought in a quantity you will use in about two months. Sample it in the actual finished product rather than as a drink — matcha that tastes lovely in a latte can disappear entirely in a sweetened soft serve.