Banh Canh Cua: Vietnamese Crab Thick Noodle Soup

Banh Canh is the only Vietnamese noodle soup that you will eat with a spoon. However, if you are like my kids, forego the spoon and chopsticks altogether, and slurp it directly from the bowl.

For this version of Banh Canh, I’m making Banh Canh Tom Cua. Banh Canh Tom Cua is an orange-colored thick Vietnamese noodle soup that consists of thick and round noodles, whole shrimp and crab meat, topped with fresh cilantro and green onions.

Vietnamese Crab & Shrimp Noodle Soup (Banh Canh Cua Tom)

The thick and round noodles are made from rice flour and tapioca starch. However, I’m not a fan of Banh Canh noodles because they are mostly made of or strictly made of tapioca starch.

I usually substitute them with udon noodles. The addition of rice flour just hits different.

The stock in this Banh Canh recipe is made from pork bones and thickened with a tapioca starch slurry.

The orange color traditionally comes from the crab roe, also known as crab tomalley. Since I’m not using whole crabs but rather prepackaged crab chunks, I colored my broth with annatto oil, which is entirely optional.

Vietnamese Crab & Shrimp Noodle Soup (Banh Canh Cua Tom)
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Vietnamese Shrimp and Crab Thick Noodle Soup (Banh Canh Tom Cua) Recipe

Banh Canh Cua: Vietnamese Crab Thick Noodle Soup


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  • Author: Vicky Pham
  • Total Time: 1 hour 48 minutes
  • Yield: 6 1x

Description

Looking for a comforting bowl of soup? This noodle soup comes with shrimp, crab, and thick, chewy noodles in a flavorful broth. It’s a quick and easy seafood dish, perfect for warming the soul during soup season.


Ingredients

Units Scale

Broth

Noodles

Meat Toppings

  • 1 lb cooked crab meat
  • 1 tablespoon annatto oil or neutral oil
  • 1 teaspoon minced garlic
  • 15 cooked shrimp (size 21-25, peel and devein)

Garnishes


Instructions

  1. Roast onion/shallots in the oven at 350°F for about 40 minutes or until soft. Allow them to cool then peel/scrap off all charred areas to prevent browning the broth. Set aside.
  2. Clean the pork bones thoroughly: Add the pork bones to a large stock pot and fill with water to cover by 1 inch. Add salt (1 teaspoon). Parboil the bones for 8 minutes or when you see a lot of foam forming. Drain content of the pot into a colander placed in the sink and rinse bones under cold running water. This cleaning will keep the stock clear. It also helps to get rid of the foul pork smell.
  3. Make the stock: Clean the pot thoroughly and return to stove. Add water (3 quarts), cleaned pork bones, roasted onion/shallots and daikon. Bring pot to a boil and reduce the heat to a very low simmer. Cook for 1 hour, uncovered. Remove onions/shallots and daikon from the pot and discard.
  4. Season stock with stock bouillon powder, sugar, salt (1 tablespoon) and fish sauce. Add annatto oil and/or food coloring to the stock for color (optional).
  5. Thicken the broth: In a small bowl, mix tapioca starch and water (1/2 cup) until completely dissolved. Add slurry to broth and simmer for an additional 5 minute to thicken.
  6. Cook the noodles per packaged instructions. Toss gently with sesame seed oil to prevent sticking.
  7. Prepare the crab. Heat annatto or neutral oil (1 tablespoon) in a small skillet at medium-high. Add garlic and pan-fry until fragrant. Add cooked crab meat and lightly sauté until colored and aromatic. Set aside.
  8. Assemble: Add a handful of Banh Canh noodles into a bowl. Ladle broth over noodles. Add 2 or 3 shrimp, desired amount of crab meat and pork spare ribs from broth. Garnish with a sprinkle of black pepper, scallions/green onions, cilantro and fried shallots. Serve with a wedge of lime on the side and enjoy.
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6 responses to “Banh Canh Cua: Vietnamese Crab Thick Noodle Soup”

  1. Can you substitute the tapioca starch for corn instead? Would that effect the outcome of the dish?

    1. Yes, you can. I’ve used corn starch and potato starch as substitutes for tapioca starch without any major noticeable changes to flavor and texture.

  2. Very delicious, thank you so much for sharing.

    I think there is a step missing for what to do with the daikon, so in my case it was in the soup (and in the way) for a while. In retrospect I think it should have been removed and discarded along with the onion in step 3.

    1. You are correct. I’ve updated the recipe. Thank you for pointing that out =)

  3. Hi, do you add 2 Tablespoon of each stock, pork, mushroom, and chicken or 2 Tablespoon of any one of those ?

    1. That was confusing, wasn’t it?! Pick one. Two tablespoons of that one 🙂

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