Vietnamese crab and corn soup, or súp cua, is a delightful and comforting dish that combines the sweetness of sweet corn with the delicate flavors of crab meat. This soup is often enjoyed as a starter or a light meal, and its silky texture and savory taste make it a favorite in Vietnamese cuisine.
While most of the ingredients for this recipe are common, you might need to pay special attention to fish sauce. This ingredient is a staple in Vietnamese cooking and can usually be found in the Asian section of your supermarket. Additionally, ensure you get a good quality chicken broth to enhance the overall flavor of the soup.
INGREDIENTS FOR Vietnamese Crab And Corn Soup
Crab meat: Provides a delicate, sweet flavor and a rich source of protein.
Sweet corn: Adds a natural sweetness and a bit of texture to the soup.
Chicken broth: Forms the base of the soup, giving it depth and a savory taste.
Cornstarch: Used to thicken the soup, giving it a silky texture.
Eggs: Beaten and drizzled into the soup to create beautiful egg ribbons.
Fish sauce: Adds umami and a distinct Vietnamese flavor.
Salt: Enhances the overall taste of the soup.
White pepper: Adds a mild heat and a subtle peppery flavor.
Cilantro: Chopped and used as a fresh garnish to brighten the dish.
Technique Tip for Making This Soup
When adding the cornstarch mixture to the soup, make sure to stir continuously to avoid any lumps forming. This will ensure a smooth and velvety texture. Additionally, when drizzling the beaten eggs into the soup, pour them slowly and in a thin stream while stirring gently to create delicate egg ribbons. This technique will give the soup a beautiful, silky appearance and enhance its overall texture.
SIDE DISHES
Substitute ingredients
crab meat - Substitute with imitation crab: Imitation crab is a more affordable and readily available option that mimics the texture and flavor of real crab meat.
crab meat - Substitute with shrimp: Shrimp provides a similar seafood flavor and can be easily found in most markets.
sweet corn - Substitute with frozen corn: Frozen corn retains much of the sweetness and texture of canned corn and is often more convenient.
sweet corn - Substitute with fresh corn: Fresh corn, when in season, offers a crisp texture and natural sweetness that enhances the soup.
chicken broth - Substitute with vegetable broth: Vegetable broth is a great alternative for a vegetarian version of the soup, providing a similar depth of flavor.
chicken broth - Substitute with seafood broth: Seafood broth can intensify the oceanic flavors of the soup, complementing the crab meat.
cornstarch - Substitute with arrowroot powder: Arrowroot powder is a gluten-free thickening agent that works similarly to cornstarch.
cornstarch - Substitute with potato starch: Potato starch is another thickening agent that can be used in place of cornstarch, providing a similar consistency.
eggs - Substitute with egg whites: Egg whites can be used if you prefer a lighter texture and lower cholesterol content.
eggs - Substitute with silken tofu: Silken tofu can be blended and used as a vegan alternative to eggs, providing a creamy texture.
fish sauce - Substitute with soy sauce: Soy sauce offers a similar umami flavor and can be used for a vegetarian option.
fish sauce - Substitute with Worcestershire sauce: Worcestershire sauce provides a complex flavor profile that can mimic the depth of fish sauce.
salt - Substitute with soy sauce: Soy sauce can add both saltiness and umami, enhancing the overall flavor of the soup.
salt - Substitute with sea salt: Sea salt can be used for a more natural and less processed option.
white pepper - Substitute with black pepper: Black pepper can be used if white pepper is unavailable, though it will add a slightly different flavor.
white pepper - Substitute with cayenne pepper: Cayenne pepper can add a bit of heat and spice to the soup, offering a different but enjoyable flavor.
cilantro - Substitute with parsley: Parsley provides a fresh, herbaceous note similar to cilantro, though with a milder flavor.
cilantro - Substitute with green onions: Green onions can add a fresh, slightly pungent flavor that complements the soup well.
Other Alternative Recipes Similar to This Soup
How To Store / Freeze This Vietnamese Soup
Allow the soup to cool to room temperature before storing. This prevents condensation and helps maintain the texture and flavor of the soup.
Transfer the Vietnamese Crab and Corn Soup into airtight containers. Make sure to leave some space at the top of the container to allow for expansion if you plan to freeze it.
Label the containers with the date of preparation. This helps you keep track of how long the soup has been stored and ensures you consume it while it's still fresh.
Store the soup in the refrigerator if you plan to consume it within 3-4 days. The crab meat and sweet corn will maintain their texture and flavor during this period.
For longer storage, place the containers in the freezer. The soup can be frozen for up to 2-3 months without significant loss of quality.
When ready to reheat, thaw the soup in the refrigerator overnight if frozen. This gradual thawing helps preserve the texture of the crab meat and sweet corn.
Reheat the soup on the stovetop over medium heat, stirring occasionally to ensure even heating. Avoid boiling the soup as it can affect the texture of the crab meat and egg ribbons.
If the soup has thickened too much during storage, add a splash of chicken broth or water to reach the desired consistency.
Garnish with fresh cilantro before serving to revive the vibrant flavors and add a touch of freshness to the reheated soup.
How To Reheat Leftovers
For stovetop reheating:
- Pour the Vietnamese crab and corn soup into a saucepan.
- Heat over medium-low heat, stirring occasionally to ensure even heating.
- Once the soup is hot and steaming, remove from heat and serve immediately.
For microwave reheating:
- Transfer the soup to a microwave-safe bowl.
- Cover the bowl with a microwave-safe lid or plastic wrap with a small vent.
- Heat on high for 1-2 minutes, then stir the soup.
- Continue heating in 30-second intervals, stirring in between, until the soup is hot throughout.
For reheating in a slow cooker:
- Pour the leftover soup into the slow cooker.
- Set the slow cooker to low heat.
- Allow the soup to heat for 1-2 hours, stirring occasionally, until it reaches the desired temperature.
For reheating in an oven:
- Preheat the oven to 350°F (175°C).
- Transfer the soup to an oven-safe dish and cover with aluminum foil.
- Heat for about 20-30 minutes, stirring halfway through, until the soup is hot.
For reheating in a double boiler:
- Fill the bottom pot of the double boiler with water and bring to a simmer.
- Place the soup in the top pot of the double boiler.
- Stir occasionally until the soup is evenly heated and hot.
Best Tools for Making This Vietnamese Soup
Pot: Used to bring the chicken broth to a boil and cook the soup.
Stirring spoon: Essential for stirring the ingredients to ensure they are well combined.
Measuring spoons: Needed to measure out the fish sauce, salt, and white pepper accurately.
Small bowl: Used to mix the cornstarch with water.
Whisk: Handy for beating the eggs before adding them to the soup.
Ladle: Useful for serving the soup into bowls.
Chopping board: For chopping the cilantro garnish.
Knife: To chop the cilantro finely.
Can opener: Necessary for opening the cans of crab meat and sweet corn.
How to Save Time on Making This Soup
Use pre-cooked crab meat: Opt for pre-cooked crab meat to save time on preparation and ensure consistent texture.
Frozen corn: Substitute canned corn with frozen corn for a fresher taste and quicker cooking.
Pre-made chicken broth: Use pre-made chicken broth to cut down on the time needed to prepare the base of the soup.
Instant thickener: Use an instant thickener instead of mixing cornstarch and water to save a step.
Pre-beaten eggs: Beat the eggs in advance and store them in the fridge until ready to use.

Vietnamese Crab and Corn Soup (Súp Cua)
Equipment
- Pot
- Whisk
- Ladle
Ingredients
Main Ingredients
- 1 can crab meat drained
- 1 can sweet corn drained
- 4 cups chicken broth
- 2 tablespoons cornstarch mixed with 2 tablespoons of water
- 2 eggs beaten
- 1 teaspoon fish sauce
- 1 teaspoon salt to taste
- 1 teaspoon white pepper to taste
- 2 tablespoons cilantro chopped, for garnish
Instructions
- 1. In a pot, bring the chicken broth to a boil.
- 2. Add the crab meat and sweet corn. Stir well.
- 3. Add the fish sauce, salt, and white pepper. Stir to combine.
- 4. Slowly pour in the cornstarch mixture while stirring continuously to thicken the soup.
- 5. Slowly drizzle the beaten eggs into the soup while stirring to create egg ribbons.
- 6. Remove from heat and garnish with chopped cilantro before serving.
Notes
Nutrition
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