Prep 10 mins · Cook 40 to 50 mins · Total 1 hr · Servings 4 to 6 · Difficulty Moderate
For 1 1/2 lb bananas
Pandan and base liquid
3 1/2 cups water
3 fresh or frozen pandan leaves, rinsed and tied into knots
Coconut
1 can (13.5 fl oz / 400 ml) full-fat coconut cream, Aroy-D 100%, Mae Ploy, or Chaokoh
1/2 cup full-fat coconut milk, same brand tier
2 to 3 tbsp coconut cream reserved from the top of the can before the rest goes in
Bananas
1 1/2 lb (680 g) Nam Wah bananas (chuối xiêm), saba, or burro bananas, fully yellow with light brown speckling, sliced on a sharp bias into 1/2-inch-thick pieces
Sweet and salt
4 tbsp granulated sugar, plus up to 2 tbsp more after tasting
1 tbsp palm sugar (Thai palm sugar disc, chopped) or rock sugar
3/8 tsp fine sea salt
Pearls and slurry
1/4 cup small tapioca pearls, bột báng, 4 to 5 mm diameter (Three Ladies brand or equivalent)
1 tbsp tapioca starch mixed with 2 tbsp water
Coconut finish, optional
The 2 to 3 tbsp reserved coconut cream
Small pinch of fine sea salt
Toppings, per bowl
1 tbsp unsalted dry-roasted peanuts, deeply roasted to medium amber, roughly crushed
1 tsp roasted white sesame seeds
1/2 tsp roasted black sesame seeds, optional, for visual contrast
A small pinch of Maldon flakes over the peanuts
Open the coconut cream
Open the can without shaking it, the thick layer must stay separated.
Lift 2 to 3 tbsp of the thick top layer into a small bowl with a clean spoon and set aside for the finish.
Pour the rest into a measuring cup, ready for the pot. Reserve before the rest goes in, otherwise the optional finish has no source.
Infuse the pandan
Bring the water and knotted pandan leaves to a gentle simmer in a 3 to 4 qt heavy pot.
Steep 15 to 20 minutes with the lid ajar. The water should turn pale grass-green and the kitchen should smell like a Thai bakery. 10 minutes is the floor and underdelivers.
Remove the leaves before continuing.
Cook the tapioca pearls
If the pearls look dusty, rinse them briefly in a fine-mesh sieve under cold water.
Bring the pandan water back to a gentle simmer and add the pearls.
Stir for the first 60 seconds with a wooden spoon to prevent clumping.
Cook 10 to 15 minutes, stirring occasionally, until the pearls show a tiny opaque white dot at the very center, about the size of a pinhead. They finish translucent as they sit in the warm liquid.
Build the coconut base
Add the coconut cream (less the reserved), coconut milk, 4 tbsp granulated sugar, the palm or rock sugar, and the salt.
Stir gently with a wooden spoon until the sugars fully dissolve and the mixture is smooth.
Keep the heat low. Do not let it boil hard, hard boiling splits the coconut and the dish reads grainy.
Add the bananas in two stages
Add about two-thirds of the bananas and simmer gently 4 to 5 minutes.
Add the remaining one-third and simmer 2 to 3 more minutes. The two-stage add gives both melted-soft and just-cooked bananas in the same bowl.
Pull when the banana edges just start to look slightly translucent and the centers are creamy. Past that they collapse.
Taste now. Add the last 1 to 2 tbsp sugar only if the bananas underdelivered, ripe Nam Wah usually does not need it.
Finish with the slurry
Stir the tapioca starch with water again to re-suspend, then pour it in while stirring gently.
Simmer 1 to 2 minutes until silky and lightly cohesive.
The spoon should leave a brief trail through the chè, not a furrow. If it furrows, slacken with 2 to 3 tbsp warm water.
Turn off the heat slightly earlier than you think, carryover finishes the bananas and tightens the slurry.
Make the optional coconut finish
Warm the reserved coconut cream gently in a small saucepan over the lowest heat with a small pinch of salt.
Do not boil it. The finish should be just-warm to the touch, not hot. Boiling splits the cream.
Rest and serve
Rest the chè 10 minutes off the heat. The flavors marry and the consistency settles.
Serve warm in shallow bowls (about 6 oz per serving), or at room temperature, or lightly chilled in summer.
Top with crushed peanuts, white sesame, optional black sesame for visual contrast, and a small pinch of Maldon flakes over the peanuts (the salt-on-fat hit is the move).
Spoon over a teaspoon of the warm salted coconut cream in a deliberate spiral, the visual draws from the way coconut sauce pools around mango sticky rice.
Notes
Reserve the thick coconut cream first
Before the rest goes in. Otherwise the optional finish has no source and the dish loses its top note.
Coconut brand tier
Aroy-D 100% (no stabilizers) is the gold standard. Mae Ploy is the close second. Chaokoh is the reliable third. Trader Joe's and Native Forest are inconsistent for chè, sometimes splitting under low heat.
Pandan steep is 15 to 20 minutes
10 is the floor and reads thin. 25 is the ceiling, past that the pandan turns vegetal. Frozen pandan leaves from Asian markets work as well as fresh, dried leaves do not.
Banana ripeness
Fully yellow, fragrant, lightly speckled with brown, and still firm to a gentle squeeze. Overripe bananas collapse. Underripe bananas read starchy and the dish never reaches the dessert register.
Banana variety ranking
Nam Wah (chuối xiêm) is the canonical choice and the closest to the Vietnamese street version. Saba is the Filipino equivalent and a clean substitute. Burro bananas (also called chunky bananas) are the closest American supermarket pick. Cavendish (the standard yellow banana) reads watery and goes mushy.
Cut on a sharp bias into thick pieces
The bias gives more surface area for the coconut cream to coat. Thick pieces hold shape through the simmer. 1/2-inch is the right thickness, thinner pieces collapse.
Tapioca pearl spec
Small bột báng at 4 to 5 mm is the right size. Three Ladies brand is the reliable Asian-grocery pick. Larger boba pearls (10 mm) need different cook times and read out of register for chè chuối. Sago pearls are an acceptable substitute, slightly less starchy and slightly more pearly when cooked.
Toast peanuts deeply
Medium amber, not pale gold. Pale peanuts read raw against the coconut. Keep them coarse, finish with Maldon at the bowl, not pre-salted.
Final consistency
Slightly soupy, spoonable, with the pearls and bananas suspended in the coconut. Not stew-thick, not soup-thin. The right consistency leaves a brief trail behind a spoon and pools cleanly in the bowl.
Make-ahead
The chè holds 2 days refrigerated. The slurry tightens overnight, slacken with 2 to 3 tbsp coconut milk over low heat at service. The toppings and the warm coconut cream finish go on at the bowl, not in advance, the textural contrast is the whole point.
Salt-sweet axis
The 3/8 tsp salt in the base plus the finishing pinch on the peanuts is the salt-sweet axis Vietnamese desserts run on. Skip either and the dish reads flat. The salt does not make the dish savory, it makes the sweet readable.
