Bánh Bột Lọc Lá
This banh bot loc recipe spoons a thin tapioca batter into banana leaves with a savoury pork-and-shrimp filling, folds them into neat parcels and steams them until the wrappers turn clear. One serving is about 257 g, six parcels with dipping sauce.
Banh bot loc is said to come from Hue, the former imperial capital of Vietnam under the Nguyen dynasty, a city famous for small, refined dishes. The name means roughly 'filtered-starch cake', after the fine tapioca starch made by soaking and filtering grated cassava root. The leaf-wrapped version, banh bot loc la, was served as a snack to the imperial court — each parcel individually folded in banana leaf — and it is still sold by street vendors across central Vietnam today, usually with fried shallots and sweet chilli fish sauce.
Pairs well with: Sweet chilli fish sauce and Vietnamese iced tea
Provenance
Vietnam
Hue Imperial Snack
East & South Asia
Time Dedication
1h 5m
50m prep • 15m cook
Batch Yield
4 Servings
474 kcal per serving
1 serving ≈ 257 g
Technical Skill
Intermediate
Medium (Tapioca Dough)
Meal Timing & Digestive Fit
Breakfast
Not Advised
Lunch
Inappropriate
Dinner
Inappropriate
Snack & Tea
Ideal Light Bite
Hue Imperial Snack
Photo: Vietcuongdao, CC BY-SA 4.0, via Wikimedia Commons
The Heritage Formulary
Estimated cost: Low — about $2–3 per serving at home (USD)
A true banh bot loc uses a tapioca-starch wrapper that turns clear and chewy when steamed — never a wheat wrapper like jiaozi or gyoza, which gives a completely different, doughy bite.
Execution Methodology & Culinary Technique
Prep Stage: Filling, Batter and Leaves
50 Mins • Filling, Batter & Wrapping
Cook the pork-and-shrimp filling with shallot, garlic, fish sauce and sugar until savoury and glossy, whisk the tapioca batter until completely smooth, soften the banana leaves so they fold without splitting, and mix the dipping sauce. Wrapping takes the most time — set up a small assembly line of leaf, batter, filling and fold.
Maestro Tip: Soften the banana leaves first: a quick pass over a gas flame or a dip in boiling water makes them pliable, and stiff leaves crack and split when folded.
10 Mins Medium heat, about 180°C (350°F)
Heat a pan over medium heat and cook the pork belly cubes 4 minutes until they release their fat and turn lightly golden. Add the shallot and 10 g garlic and cook 1 minute, then add the shrimp, 15 ml fish sauce, 5 g sugar and the pepper. Cook 3 minutes more until the shrimp are pink and the mixture is glossy and savoury. Cool completely before wrapping.
Do not overcook the shrimp — they cook again in the steamer, and rubbery shrimp ruin the dumpling.
Done when: The pork is golden, the shrimp are pink and opaque, and the filling smells savoury and sweet.
5 Mins Room temperature, about 20°C (68°F)
Whisk the tapioca starch with 280 ml cold water and a pinch of salt until completely smooth, with no lumps. The batter should be thin, like single cream — it thickens as it stands, so whisk again just before using.
Cold water only: hot water cooks the starch on contact and turns the batter lumpy.
Done when: The batter runs off the whisk in a thin, smooth ribbon with no lumps.
25 Mins Room temperature, about 20°C (68°F)
Lay a banana-leaf square shiny side up and brush lightly with oil. Spoon about 20 g of batter into the centre, add a spoonful of filling with one piece of pork and half a shrimp, then fold the leaf over into a neat rectangle and tuck the ends under. Repeat for 24 parcels. The batter is thin, so work on a flat surface and fold promptly.
Do not overfill — too much batter leaks out of the fold and the parcel will not seal.
Done when: Each parcel is a flat, neat rectangle with the leaf folded firmly and no batter leaking at the edges.
15 Mins Steamer over boiling water, about 100°C (212°F)
Arrange the parcels in a steamer in a single layer and steam 12–15 minutes. The wrappers are done when they turn completely clear and glossy, with the orange shrimp visible through the leaf — a cloudy white wrapper needs more time.
Keep the water at a full boil so the steam stays strong; weak steam leaves the wrappers cloudy.
Done when: The wrappers are clear and glossy, the shrimp shows orange through them, and the parcels feel firm but springy.
5 Mins Room temperature, about 20°C (68°F)
While the parcels steam, heat the 15 ml oil until hot and pour it over the sliced spring onion — it will sizzle and wilt into a fragrant scallion oil. Stir the remaining 30 ml fish sauce with 60 ml water, the lime juice, 10 g sugar, the chilli and 5 g garlic until the sugar dissolves.
Pour the hot oil over the spring onion, not the other way round — the sizzle is what releases the onion's aroma.
Done when: The spring onion is wilted and glossy, and the dipping sauce tastes salty, sour and lightly sweet.
5 Mins Serve hot — above 60°C (140°F)
Open the parcels at the table, spoon a little scallion oil over each dumpling and serve hot with the dipping sauce on the side. Eat with chopsticks, dipping each dumpling — the wrapper should be chewy and stretchy, never doughy.
Serve at once: tapioca wrappers firm up and turn tough as they cool.
Done when: The dumplings are hot, clear and chewy, with the pork and shrimp visible inside.
Finishing Touches & Plating
Open one parcel to check before serving the rest — the wrapper should be completely clear and glossy, with the orange shrimp visible through it. Serve hot, with the dipping sauce on the side.
Nutritional Physiology & Benefits
Energy
474
kcal / serving
Protein
13g
Complete AA
Carbs
53g
Complex
Fats
24g
Healthy
| Energy | 474 kcal |
| Protein | 13 g |
| Carbohydrates | 53 g |
| Fat | 24 g |
| Fibre | 1.2 g |
| Sugar | 6.6 g |
| Sodium | 948 mg |
| Energy | 184 kcal |
| Protein | 4.9 g |
| Carbohydrates | 20.6 g |
| Fat | 9.3 g |
| Fibre | 0.5 g |
| Sugar | 2.6 g |
| Sodium | 369 mg |
Nutrition values are estimated — calculated from USDA FoodData Central values for the listed ingredients.
Vitamins & minerals: Vitamin B12 and selenium (shrimp), iron and B vitamins (pork), vitamin C (lime and chilli).
Light, Chewy Snack
Steamed, not fried, and made from tapioca — this banh bot loc recipe is a light snack that still feels satisfying.
Protein from Two Sources
Pork and shrimp together give about 12.5 g of protein per serving, so six parcels work as a real snack, not just a nibble.
Naturally Gluten-Free
The wrapper is pure tapioca starch, so the dumplings are naturally free of wheat and gluten.
Food Pairings
To optimize nutrient absorption and elevate the sensory depth, pair with these authentic accompaniments:
Sauces
Sweet Chilli Fish Sauce
The dipping sauce is essential — its salty-sour-sweet balance wakes up the mild, chewy wrapper and the savoury filling.
Drinks
Vietnamese Iced Tea
Unsweetened iced tea with lime refreshes the palate between the rich pork parcels.
Vegetables
Fresh Herbs
A small plate of mint and coriander adds a cool, fresh bite against the warm, chewy dumplings.
More Pairings
Fried Shallots
A scatter of crisp fried shallots on top adds crunch and a sweet-savoury aroma that Hue cooks love on these dumplings.
Complete menu
Serve the dumplings as a snack with Vietnamese iced tea and fresh herbs, or as part of a Hue meal with a noodle soup and a grilled dish.
Digestive Guardrails
To prevent digestive distress, sluggishness, or palate clash, avoid pairing the dish with these elements:
Using Wheat Flour for the Wrapper
Wheat flour makes a doughy, bread-like dumpling — a different dish entirely. Only tapioca starch gives the clear, chewy wrapper that defines banh bot loc. This is general information, not medical advice.
Serving the Parcels Cold
Tapioca wrappers firm up and turn tough as they cool, and the pork fat sets. Serve the parcels hot, straight from the steamer. This is general information, not medical advice.
Undercooking the Shrimp
The shrimp must be pink and opaque all the way through — raw shrimp in a sealed parcel is a food-safety risk. Open one parcel to check before serving. This is general information, not medical advice.
General information only, not medical advice — consult a doctor for personal dietary decisions.
Who Should Eat It
Health Conditions — Adjust or Avoid
If you have a medical condition, consult your doctor before changing your diet.
Storage & Use
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Comfort & Sustained Energy
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WARNING: This dish is made from raw duck blood and eating it is NOT recommended. Raw blood can carry Streptococcus suis (which causes meningitis and sepsis — people in Vietnam have died after eating pig-blood tiet canh), avian influenza from duck blood, salmonella and other dangerous germs. Vietnam's Ministry of Health advises against eating tiet canh, and no preparation method — not even blood from a fresh or trusted source — makes raw blood fully safe. This page describes the traditional Hanoi preparation, tiết canh vịt, for cultural knowledge only. One serving is about 241 g: a small bowl of fresh duck blood mixed with fish sauce, poured over finely chopped cooked duck meat and left to set into a soft, trembling jelly, then finished with crushed roasted peanuts, fresh herbs, lime and chili, and served cold.
Cultural Discovery
A traditional northern Vietnamese snack of raw duck blood set into a soft jelly with cooked duck meat, herbs and peanuts — described here for cultural knowledge, with a serious safety warning.
