Prepare cha yen with brewed tea, milk and documented instant alternatives

Cha yen (ชาเย็น) is the Thai name for Thai iced tea: strong, sweetened tea poured over plenty of ice and enriched with milk. This guide covers four documented ways to make it. The first uses brewed Thai tea leaves with condensed and evaporated milk. The second is a no-mix version built on ordinary black tea bags. The third is a pour-through method using red Thai tea mix. The fourth is a soluble instant powder that dissolves instead of steeping. Choose one full method and follow it before you start adjusting.

What cha yen should accomplish and when to use each method

The goal is a sweet, creamy, well-chilled tea drink. Its sweetness and body come mainly from dairy, so a strong tea base is needed to stand up to the milk and the melting ice. The method you choose depends on what you have and how much work you want to do.

Brewed Thai tea leaves: use this when you have a Thai tea blend and want a batch of base for several glasses.
Black tea bags: use this when you have no Thai tea mix and want one glass made from common pantry items.
Pour-through with red Thai tea mix: use this when you want a single-serving extraction from a loose Thai tea blend.
Soluble powder: use this when you want no steeping or straining at all.

Method comparison

Method	Tea form and amount	Liquid	Extraction step	Strain?	Sweetening and milk
Pailin (Hot Thai Kitchen), batch base	¾ cup Thai tea leaves	4 cups just-boiled water	Steep 5 minutes	Yes	¼ cup sugar and ⅛ tsp salt in the base; per glass, 1½ tbsp condensed milk, topped with 2–3 tbsp evaporated milk
Pailin, no-mix single glass	3 black tea bags	1 cup water	Steep 5 minutes	Remove bags	½ tsp artificial vanilla, 2 tsp sugar, 1½ tbsp condensed milk, topped with 2–3 tbsp evaporated milk
Riverside Thai Cooking	2 tbsp red Thai tea mix in a strainer	250 ml liquid	Pour through the strainer repeatedly	Built in	Combined with that recipe's milk ingredients
Rishi Sweet Thai Tea Powder	2 tbsp (12 g) soluble powder	4 oz water at 180°F	Dissolve with a frother	No	Poured over ice and 8 oz milk; sugar is already in the powder

Brewed method with Thai tea leaves

This approach follows Pailin Chongchitnant of Hot Thai Kitchen. You make a sweetened tea base once and then build each glass separately. Keeping the base separate from the milk lets you adjust each glass without changing the batch.

Base: ¾ cup Thai tea leaves, 4 cups water, ¼ cup sugar, ⅛ tsp salt
Per glass: ¾ cup tea base, 1½ tbsp sweetened condensed milk, 2–3 tbsp evaporated milk, ice to pack a pint glass
Equipment: kettle or pot, heatproof container for steeping, fine strainer, measuring cups and spoons, pint glass

1. Bring the water to a boil and pour it over the tea leaves just off the boil.
2. Steep for 5 minutes.
3. Strain out the leaves.
4. While the tea is still hot, stir in the sugar and salt until neither is visible at the bottom of the container.
5. For each glass, stir ¾ cup of base together with 1½ tbsp condensed milk.
6. Pack a pint glass with ice and pour the tea mixture over it.
7. Top with 2–3 tbsp evaporated milk.

Condensed milk and evaporated milk do different jobs

Sweetened condensed milk adds both sweetness and creaminess. Evaporated milk adds creaminess without any extra sweetness. This split gives you two separate controls. If a glass tastes too sweet but too thin, cut back the condensed milk and use the higher end of the evaporated milk range. If it lacks sweetness, add condensed milk; a spoonful of plain sugar dissolved into warm base is another option. Change one ingredient at a time so you can tell which change made the difference.

Thai iced tea without a Thai tea mix

Pailin also offers a single-glass adaptation for cooks with no Thai tea blend. Steep three black tea bags in one cup of water for five minutes, then remove the bags. Stir in ½ tsp artificial vanilla, 2 tsp sugar and 1½ tbsp condensed milk. Pour the tea over ice and finish with 2–3 tbsp evaporated milk, as in the leaf method. The vanilla stands in for flavor notes that black tea alone lacks. Using three bags in a single cup gives the concentrated strength the milk needs.

Pour-through method with red Thai tea mix

Riverside Thai Cooking uses a different extraction. Put 2 tbsp of red Thai tea mix in a strainer, then pour 250 ml of liquid through it, catch the liquid, and pour it through again several times. Each pass pulls more color and flavor from the tea. The finished tea is then combined with the recipe's milk ingredients. Because this is a separate recipe, do not mix its tea amounts with the milk ratios from the steeped method.

Instant alternative: soluble Thai tea powder

Rishi's Sweet Thai Tea Powder is a soluble product, not loose leaves. Its listed ingredients are cane sugar, black tea extract, gardenia extract and beet extract. Since sugar is already in the powder, its method adds no separate sweetener. The manufacturer's iced preparation works like this:

1. Heat 4 oz of water to 180°F.
2. Add 2 tbsp (12 g) of the powder.
3. Use a frother until the powder is fully dissolved and no clumps remain.
4. Pour the mixture over ice and 8 oz of milk.

Nothing needs to be strained, because the powder dissolves rather than steeps. This makes it the fastest of the four options. The trade-off is that sweetness is fixed by the product. You can only adjust the ratio of powder to milk, not the sugar on its own.

ChaTraMue and other packaged Thai tea mixes

ChaTraMue sells Thai Tea Original in a 200 g small can as a blended tea product. A loose blend like this is the kind of product the steeping and pour-through methods are built around. It is a different category from a soluble powder that dissolves in water. Product details beyond its identity are not covered here, so use the brewing amounts printed on the package rather than assuming another recipe's ratios fit.

A spiced, non-traditional variation

Alexa Weibel adapted a recipe from Leela Punyaratabandhu for NYT Cooking. It steeps black tea with rooibos, star anise and cloves for ten minutes and prepares the milk mixture separately. The recipe itself says this approach is atypical. Treat it as a home spice-blend option, not as a description of what commercial Thai tea mixes contain.

Judging progress and the finished drink

After steeping: strain the leaves out completely so no loose leaves end up in the glass.
After sweetening the base: the sugar and salt are fully dissolved, with no granules left at the bottom.
With powder: the liquid is smooth after frothing, with no undissolved clumps.
In the glass: the glass is packed with ice before you pour, and the evaporated milk goes on last.
At tasting: judge sweetness and creaminess separately, then adjust condensed milk for sweetness and evaporated milk for creaminess.

If the drink tastes weak, it is a tea-strength problem, not a milk problem. Return to the extraction step of the method you used: the amount of tea, the steep, or the number of pours. Keep the milk unchanged while you test, and make one change per batch.

Preparation card for planning

The card below is an original planning template. Fill it in for one method before you scale up. Record tea strength separately from milk and sweetness changes so you can repeat a glass you liked.

CHA YEN PREP CARD
Method chosen:        ____________________
Tea form:             leaves / bags / red mix / soluble powder
Tea amount:           ________
Water amount/temp:    ________
Steep or dissolve:    ________ (time or tool)
Strain:               yes / no
Sweetener:            ________ (sugar, salt, condensed milk)
Milk:                 ________ (evaporated, milk)
Ice:                  ________

Adjustment log (one change per batch):
Tea strength:         ________
Sweetness:            ________
Creaminess:           ________