Red noodle soup with crab (bánh đa cua) – Classic
This is the traditional, time-tested version of the dish. It stays true to its origins, using well-established techniques and ingredients that define its authentic flavor. A perfect starting point for exploring its evolution.
Originating from the bustling streets of Hai Phong, Vietnam, Bánh Đa Cua is a rich culinary delight that combines the rustic elegance of red rice noodles with the delicate sweetness of crab. This traditional noodle soup is a beloved staple of Vietnamese cuisine, known for its vibrant colors and intricate flavors. Its broth is infused with crab, tomatoes, and spices, creating a symphony of taste that captivates the senses.
Ingredients
- red rice noodles – 300 g / 10.5 oz
- fresh crab meat – 200 g / 7 oz
- pork bones – 500 g / 1.1 lbs
- ripe tomatoes – 3 medium / 240 g / 8.5 oz
- shallots – 2 medium / 50 g / 1.75 oz
- garlic – 3 cloves / 15 g / 0.5 oz
- fish sauce – 3 tbsp / 45 ml
- shrimp paste – 2 tsp / 10 g
- green onions – 2 stalks
- water – 1.5 liters / 6 cups
- vegetable oil – 2 tbsp / 30 ml
- salt – to taste
- pepper – to taste
Instructions
- Rinse pork bones and boil in a large pot with 1.5 liters of water for 10 minutes to remove impurities. Discard water and rinse bones.
- In a clean pot, combine rinsed bones, fresh water, and a tsp of salt. Simmer for 1 hour to create a flavorful broth.
- Meanwhile, heat vegetable oil in a pan. Add chopped shallots and garlic, sauté until fragrant.
- Add chopped tomatoes to the pan, cook until soft. Stir in crab meat, fish sauce, and shrimp paste. Simmer for another 5 minutes.
- Strain the broth into another pot, then add the crab and tomato mixture. Simmer for 15 minutes.
- Boil red rice noodles separately as per package instructions, then drain.
- To serve, place noodles in bowls, ladle the broth with crab over, and garnish with chopped green onions. Season with salt and pepper to taste.
Substitutions
- red rice noodles -> regular rice noodles
- fresh crab meat -> canned crab meat
- fish sauce -> soy sauce
Enhancements in the Next Evolution
- Roast the pork bones before boiling to deepen the broth’s flavor.
- Add a splash of lime juice for a tangy note.
- Include fresh herbs like cilantro or basil as garnish for added freshness.
Curious to see how this dish evolves? Discover refined flavors and enhanced techniques in the next version.

Vietnam