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 a comforting meal, featuring tender fish and a medley of vegetables in a savory broth.
Some ingredients in this recipe may not be commonly found in every household. Miso paste is a fermented soybean paste that adds a unique depth of flavor. Water spinach or kangkong is a leafy green vegetable often used in Asian cuisine. If you can't find it, you can substitute with spinach or another leafy green. The sinigang mix is optional but adds a distinct sour taste to the soup.

Ingredients for Sinigang na Isda sa Miso
Fish: Preferably milkfish or any white fish, providing the main protein for the dish.
Miso paste: A fermented soybean paste that adds umami flavor.
Onion: Adds sweetness and depth to the broth.
Tomatoes: Contributes to the tangy flavor of the soup.
Water spinach: A leafy green vegetable that adds texture and nutrition.
Radish: Adds a slight peppery flavor and crunch.
Sinigang mix: An optional ingredient that enhances the sourness of the soup.
Water: The base of the soup, used to cook all the ingredients.
Salt: Enhances the overall flavor of the dish.
Pepper: Adds a bit of heat and seasoning.
Technique Tip for This Recipe
When adding miso paste to the broth, make sure to dissolve it thoroughly by stirring continuously. This ensures that the umami flavor is evenly distributed throughout the dish. Additionally, when cooking the fish, avoid over-stirring to prevent it from breaking apart. Instead, gently push the broth around the fish to cook it evenly.
Suggested Side Dishes
Alternative Ingredients
fish - Substitute with tofu: For a vegetarian option, tofu can mimic the texture of fish when cooked in the broth.
miso paste - Substitute with soybean paste: Soybean paste can provide a similar umami flavor if miso paste is unavailable.
onion - Substitute with shallots: Shallots have a milder and sweeter taste, which can still enhance the flavor of the soup.
tomatoes - Substitute with tamarind paste: Tamarind paste can add the sourness that tomatoes provide, which is essential for the sinigang flavor.
water spinach (kangkong) - Substitute with spinach: Spinach can provide a similar texture and nutritional value as water spinach.
radish - Substitute with turnip: Turnips have a similar texture and can absorb the flavors of the broth well.
sinigang mix - Substitute with lemon juice and fish sauce: A combination of lemon juice and fish sauce can replicate the tangy 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.
salt - Substitute with soy sauce: Soy sauce can add both saltiness and umami to the dish.
pepper - Substitute with white pepper: White pepper can provide a similar heat and flavor profile as black pepper.
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How to Store or Freeze This Dish
Allow the sinigang na isda sa miso to cool down to room temperature before storing. This prevents condensation and helps maintain the soup's flavor and texture.
Transfer the soup into airtight containers. Use containers that are appropriately sized to minimize air space, which can lead to freezer burn and affect the taste of your dish.
Label the containers with the date of preparation. This helps you keep track of how long the sinigang has been stored, ensuring you consume it while it's still fresh.
For short-term storage, place the containers in the refrigerator. The soup can be stored in the fridge for up to 3 days. Make sure the temperature is set to 4°C (40°F) or below to keep the fish and vegetables fresh.
For long-term storage, place the containers in the freezer. The sinigang can be frozen for up to 2 months. Ensure your freezer is set to -18°C (0°F) or lower to maintain the quality of the soup.
When ready to reheat, thaw the soup in the refrigerator overnight if frozen. This gradual thawing process helps retain the fish's texture and the vegetables' integrity.
Reheat the sinigang na isda sa miso on the stovetop over medium heat. Stir occasionally to ensure even heating and to prevent the miso paste from settling at the bottom.
Taste the soup after reheating and adjust the seasoning if necessary. Sometimes, freezing can slightly alter the flavor, so a pinch of salt or a dash of pepper might be needed to bring back its original taste.
Avoid reheating the soup multiple times. Only reheat the portion you plan to consume to maintain the quality and safety of the dish.
How to Reheat Leftovers
Stovetop Method:
- Pour the leftover sinigang na isda sa miso into a pot.
- Heat over medium flame until it starts to simmer.
- Stir occasionally to ensure even heating.
- Once the fish and vegetables are heated through, remove from heat and serve hot.
Microwave Method:
- Transfer the sinigang into a microwave-safe bowl.
- Cover the bowl with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape.
- Heat on high for 2-3 minutes, stirring halfway through.
- Check if the fish and vegetables are heated through. If not, continue heating in 1-minute increments until hot.
Oven Method:
- Preheat your oven to 350°F (175°C).
- Transfer the sinigang into an oven-safe dish.
- Cover the dish with aluminum foil to retain moisture.
- Heat in the oven for about 20-25 minutes, or until the fish and vegetables are thoroughly heated.
- Carefully remove from the oven and serve hot.
Steaming Method:
- Place the leftover sinigang in a heatproof bowl.
- Set up a steamer and bring water to a boil.
- Place the bowl in the steamer and cover.
- Steam for about 10-15 minutes, or until the fish and vegetables are heated through.
- Carefully remove from the steamer and serve hot.
Best Tools for This Recipe
Pot: Used to boil water and cook the ingredients together.
Stove: Provides the heat source for cooking.
Knife: Essential for quartering the onions and tomatoes, and slicing the radish.
Cutting board: Surface for safely cutting and preparing vegetables.
Wooden spoon: Useful for stirring the miso paste and other ingredients.
Measuring spoons: Needed to measure out the miso paste accurately.
Ladle: Handy for serving the soup once it's ready.
Serving bowl: Used to present the finished dish.
How to Save Time on Making This Recipe
Prepare ingredients in advance: Chop the onions, tomatoes, and radish ahead of time and store them in the fridge.
Use pre-washed vegetables: Buy pre-washed water spinach to save time on cleaning.
Quick dissolve miso: Mix the miso paste with a small amount of warm water before adding it to the pot.
Pre-measure spices: Measure out the salt and pepper beforehand to streamline the cooking process.
Use a timer: Set a timer for each step to ensure you don’t overcook the fish or vegetables.

Sinigang na Isda sa Miso
Ingredients
Main Ingredients
- 1 kg Fish (preferably milkfish or any white fish)
- 2 tablespoon Miso paste
- 1 piece Onion, quartered
- 2 pieces Tomatoes, quartered
- 1 bunch Water spinach (kangkong)
- 1 piece Radish, sliced
- 1 packet Sinigang mix (optional)
- 6 cups Water
- to taste Salt
- to taste Pepper
Instructions
- 1. In a pot, bring water to a boil. Add onions and tomatoes. Cook until softened.
- 2. Add the miso paste and stir until dissolved.
- 3. Add the fish and cook until it turns opaque.
- 4. Add the radish and cook until tender.
- 5. Add the water spinach and cook for another 2 minutes.
- 6. Season with salt and pepper to taste. Serve hot.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Recipe
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