Sinigang na Isda sa Miso is a delightful Filipino soup that combines the tangy flavors of sinigang with the rich umami of miso. This dish is perfect for those who love a hearty and comforting meal, especially on a rainy day. The combination of fresh fish, vegetables, and the unique taste of miso creates a harmonious blend that is both nutritious and delicious.
Some ingredients in this recipe might not be commonly found in every household. Miso paste is a fermented soybean paste that adds a deep umami flavor to the dish. Kangkong or water spinach is a leafy green vegetable often used in Asian cuisine. Sinigang mix is a pre-packaged seasoning mix that provides the signature sour taste of sinigang. These items can usually be found in the Asian or international section of most supermarkets.

Ingredients for Sinigang na Isda sa Miso
Fish: The main protein of the dish, typically tilapia or any white fish, cleaned and cut into serving pieces.
Miso paste: A fermented soybean paste that adds a rich umami flavor to the soup.
Onion: Adds sweetness and depth to the broth.
Tomatoes: Provides acidity and enhances the overall flavor of the soup.
Kangkong: Also known as water spinach, it adds a fresh, leafy green element to the dish.
Radish: Adds a crunchy texture and slight peppery flavor.
Sinigang mix: A pre-packaged seasoning mix that gives the soup its signature sour taste.
Water: The base of the soup, used to cook and combine all the ingredients.
Technique Tip for This Miso Fish Soup
When adding the miso paste to the boiling water, make sure to dissolve it thoroughly by stirring continuously. This ensures that the miso is evenly distributed throughout the broth, giving the sinigang a consistent and rich flavor.
Suggested Side Dishes
Alternative Ingredients
fish (tilapia or any white fish) - Substitute with salmon: Salmon provides a rich flavor and firm texture that works well in sinigang.
miso paste - Substitute with soybean paste (doenjang): Soybean paste offers a similar umami flavor and can be used in the same quantity.
onion - Substitute with shallots: Shallots have a milder and sweeter taste that can complement the soup well.
tomatoes - Substitute with tamarind paste: Tamarind paste can add the necessary tanginess if tomatoes are not available.
kangkong (water spinach) - Substitute with spinach: Spinach has a similar texture and can absorb the flavors of the soup effectively.
radish - Substitute with turnip: Turnips have a similar texture and mild flavor, making them a good alternative.
sinigang mix - Substitute with lemon juice and fish sauce: A combination of lemon juice and fish sauce can mimic the sour and savory profile of sinigang mix.
water - Substitute with vegetable broth: Vegetable broth can add more depth of flavor to the soup compared to plain water.
Other Alternative Recipes Similar to This Miso Fish Soup
How to Store / Freeze This Miso Fish Soup
Allow the sinigang na isda sa miso to cool down to room temperature before storing. This helps prevent condensation, which can lead to soggy vegetables and a diluted broth.
Transfer the soup into an airtight container. Glass containers with tight-fitting lids are ideal as they do not absorb odors and keep the flavors intact.
If you plan to consume the sinigang within 2-3 days, store it in the refrigerator. Make sure the container is placed on a shelf where it won't be disturbed to avoid spillage.
For longer storage, consider freezing the sinigang. Portion the soup into smaller, freezer-safe containers or heavy-duty freezer bags. This makes it easier to thaw only what you need.
Label each container with the date of storage. This helps you keep track of how long the sinigang has been stored and ensures you consume it while it's still at its best quality.
When ready to reheat, thaw the soup in the refrigerator overnight if frozen. This slow thawing process helps maintain the texture of the fish and vegetables.
Reheat the sinigang gently on the stovetop over medium heat. Stir occasionally to ensure even heating and to prevent the fish from breaking apart.
If the soup appears too thick after reheating, you can add a splash of water or fish stock to reach the desired consistency. Adjust the seasoning if necessary.
Avoid reheating the soup multiple times, as this can degrade the quality of the ingredients. Only reheat the portion you plan to consume.
Enjoy your reheated sinigang na isda sa miso with freshly cooked rice for a comforting and flavorful meal.
How to Reheat Leftovers
Gently reheat the sinigang na isda sa miso on the stovetop. Place the leftovers in a pot and warm over medium heat. Stir occasionally to ensure even heating, but be careful not to break apart the fish. This method helps maintain the integrity of the vegetables and the delicate fish.
Use the microwave for a quick reheat. Transfer a portion of the sinigang to a microwave-safe bowl. Cover with a microwave-safe lid or plate to prevent splatters. Heat on medium power in 1-minute intervals, stirring gently between each interval until the soup is heated through. This method is convenient but may slightly alter the texture of the fish.
Reheat in the oven for a more even and gentle warming process. Preheat your oven to 300°F (150°C). Place the sinigang in an oven-safe dish, cover with aluminum foil to retain moisture, and heat for about 15-20 minutes or until warmed through. This method is ideal for preserving the flavors and textures of the soup.
For a stovetop steam reheat, place the sinigang in a heatproof bowl and set it over a pot of simmering water. Cover the bowl with a lid or foil and steam for about 10-15 minutes. This gentle method helps maintain the moisture and prevents overcooking the fish and vegetables.
If you have a slow cooker, you can use it to reheat the sinigang. Set the slow cooker to low and transfer the leftovers into it. Cover and heat for about 1-2 hours, stirring occasionally. This method is great for a slow and even reheat, ensuring the soup remains flavorful and the fish stays tender.
Best Tools for This Miso Fish Soup
Pot: A large cooking vessel used to boil water and cook the ingredients.
Knife: Essential for slicing the onion, tomatoes, and radish.
Cutting board: A surface to safely chop and prepare vegetables and fish.
Measuring spoons: Used to measure the miso paste accurately.
Mixing spoon: For stirring the miso paste into the soup and mixing other ingredients.
Ladle: Handy for serving the hot soup into bowls.
Tongs: Useful for adding and removing the fish and vegetables from the pot.
Serving bowls: To serve the finished dish hot with rice.
How to Save Time on Making This Miso Fish Soup
Prepare ingredients ahead: Chop the onion, tomatoes, and radish in advance to streamline the cooking process.
Use pre-cleaned fish: Purchase pre-cleaned fish to save time on preparation.
Ready-to-use sinigang mix: Opt for a sinigang mix to avoid measuring and mixing individual seasonings.
Batch cook: Make a larger batch of sinigang na isda sa miso and store portions for quick reheating.
Quick boil water: Use an electric kettle to boil water faster before adding it to the pot.

Sinigang na Isda sa Miso Recipe
Ingredients
Main Ingredients
- 1 kg Fish (tilapia or any white fish) cleaned and cut into serving pieces
- 2 tablespoon Miso paste
- 1 piece Onion sliced
- 2 pieces Tomatoes quartered
- 1 bunch Kangkong (water spinach) trimmed
- 1 piece Radish sliced
- 1 pack Sinigang mix
- 6 cups Water
Instructions
- 1. In a pot, bring water to a boil.
- 2. Add the onion and tomatoes. Cook until softened.
- 3. Stir in the miso paste until dissolved.
- 4. Add the fish and radish. Simmer until the fish is cooked through.
- 5. Add the sinigang mix and adjust seasoning to taste.
- 6. Add the kangkong and cook for another 2-3 minutes.
- 7. Serve hot with rice.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Miso Fish Soup
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