Thai Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. 
Serving Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Kuay Teow Reua
Once sold from floating Bangkok boats, these chewy noodles arrive in a deep, dark broth of pork blood and spices — intensely flavored and utterly unlike any other noodle soup.
Contains common allergens
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Instructions
8 steps- 1
Simmer the beef bones in water for at least 2 hours, skimming off scum regularly, to build a deep, clean base broth, then strain and discard the bones.
- 2
Toast the spice mix (star anise, cinnamon, coriander seed, white pepper) in a dry pan briefly until fragrant, then tie in a muslin bag and add to the simmering broth along with dark soy sauce, fish sauce, and palm sugar.
- 3
Simmer the broth another 30 minutes to let the spices infuse deeply, giving it the dark, almost bitter-sweet character boat noodle broth is known for.
- 4
Add the pre-boiled offal to the broth to warm through and pick up flavor, then gently slide in the blood cubes and poach them at a low simmer, being careful not to let them break apart.
- 5
Blanch the rice noodles and morning glory separately in boiling water until just tender, about 1 minute, then divide among serving bowls.
- 6
Bring a small ladle of broth to a rolling boil and flash-cook the raw sliced beef in it for 30 seconds until just cooked through.
- 7
Ladle the hot spiced broth, offal, blood cubes, and flash-cooked beef over the noodles and greens.
- 8
Top each bowl with fried garlic, chili flakes, and bean sprouts, and serve immediately while the broth is fiercely hot.
Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients. Listahan Family Score™
56/100
Works for many families
Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.
Nutrition
per serving710
Calories
45 g
Protein
85 g
Carbs
19 g
Fat
Estimated per serving. Actual values depend on the brands and portions you use.
Listahan cooking guide
Chef notes & practical guide
Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.
Cultural context
Kuay teow reua, or Thai boat noodles, were historically sold from small boats along the canals of central Thailand, served in small bowls so customers on the bank could order many rounds without filling up too fast on a single portion. The broth is notably dark and rich, traditionally deepened with a small amount of blood as a thickener, giving it a depth that lighter noodle soups don't have.
Listahan note
This version builds the dark, intensely seasoned broth in a concentrated small batch, matching the tradition of serving it in small bowls rather than one large portion meant to be filled up on at once.
Technique cues
- Simmering pork or beef bones for an extended time extracts the deep, dark color and body that defines boat noodle broth apart from a lighter soup base.
- Toasting spices like star anise and cinnamon before adding them to the broth deepens their aroma more than adding them raw.
- Blanching the rice noodles briefly just before serving, rather than sitting in hot broth, keeps them from turning bloated and soft.
- Serving the broth in small portions, as is traditional, means seasoning it more assertively than a soup meant to be eaten in one large bowl.
Kitchen flow
- Parallel prep
- While Kuay Teow Reua simmers, chop any garnish or side bread — the pot doesn't need active attention during the long simmer. This one leans on the dark soy sauce.
- Make-ahead
- Kuay Teow Reua is a genuine make-ahead dish — it actually tastes better the next day once dark soy sauce have had time to meld; make it a day early and reheat gently. Plan around the simmer; that's the slow part.
- Leftover move
- Leftover Kuay Teow Reua is often better the next day — refrigerate and reheat gently on the stove, thinning with a splash of water or broth if it's thickened. This one leans on the dark soy sauce. Everything else is quick — the simmer is the one step that takes real time.
- Cleanup rhythm
- Let the pot for Kuay Teow Reua soak while you eat — a long simmer tends to leave a stuck layer on the bottom that's easier to lift once soaked. This one leans on the dark soy sauce.
Ingredient brief
Role, handling, and swap guidance for each key ingredient.
Noodles
Structural base
Purpose: Noodles defines the shape and texture of the dish.
Handling: Rinse, soak, whisk, or separate as the recipe requires so the texture stays clean.
Adaptation: Use a certified gluten-free alternative when needed and expect a small texture change.
pork/beef
Main protein or body
Purpose: pork/beef gives Kuay Teow Reua its main substance and carries the seasoning.
Handling: Pat dry, cut evenly, and season before cooking so browning or sauce coverage is consistent.
Adaptation: Use the closest fresh equivalent and expect a modest shift in flavor or texture.
dark soy sauce
Seasoning backbone
Purpose: dark soy sauce gives the dish its recognizable flavor direction.
Handling: Prep before heat is high so the cooking step can move without rushing.
Adaptation: Use a certified gluten-free alternative when needed and expect a small texture change.
pig/cow blood
Flavor support
Purpose: pig/cow blood supports the balance of Kuay Teow Reua and should taste integrated.
Handling: Prep before heat is high so the cooking step can move without rushing.
Adaptation: Use the closest fresh equivalent and expect a modest shift in flavor or texture.
Technique notes
- Top with bean sprouts, morning glory, and fresh herbs added right before serving so they stay crisp against the rich, dark broth.
- A squeeze of lime and a spoonful of chili flakes at the table let each diner adjust the bowl's heat and acidity individually.
- Serve multiple small bowls in succession rather than one large one if aiming for the traditional boat noodle experience.
Ingredient swaps
- Gluten-free direction
- Replace the dark soy sauce with tamari or a certified gluten-free soy sauce — check that any other packaged ingredients here are labeled gluten-free too. This one leans on the pig/cow blood.
- Lower-sodium direction
- Use a low-sodium or no-salt-added version of the dark soy sauce, then season to taste with fresh herbs, citrus, or vinegar at the end instead of more salt. This one leans on the pig/cow blood.
- Weeknight shortcut
- For a faster version, prep the longest-cooking component a day ahead so the night-of cook is mostly assembly and finishing. This one leans on the pig/cow blood.
Serve alongside
- Steamed rice
- Cucumber salad
- Roasted vegetables
- Pickled vegetables
- Iced tea
- Sparkling water with citrus
Serving suggestions only — check pairings for your household's allergens.
Storage & reheating
- Refrigerate in a sealed container for up to 4 days.
- Reheat gently with a splash of water, broth, milk, or sauce as appropriate.
- Freeze up to 2 months when the texture is braised, baked, or stew-like.
Equipment
- Dutch oven or soup pot
- Wooden spoon
- Ladle
Make this household-aware
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Plan it in Listahan
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