Sinigang na Isda
Sinigang na Isda is a traditional Filipino sour soup, known for its tangy flavor and savory ingredients. This comforting dish typically features fish simmered in a broth made from tamarind, vegetables, and spices, perfect for any home cook looking to explore authentic Filipino cuisine.

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Illustrated cooking guide
Step-by-step visual method
A polished English infographic for the whole cooking flow, paired with the full written recipe below for detail and SEO.

Written method
Instructions
Read through once, then cook at your own pace with the illustrated guide above.
- 1
In a pot, combine the water, quartered onions, and quartered tomatoes. Bring to a boil over medium heat.
- 2
Once boiling, add the tamarind pulp to the pot and stir until dissolved, creating a sour base for the broth.
- 3
Carefully place the fish into the pot and cook for about 10 minutes, or until the fish is cooked through and flaky.
- 4
Add the sliced radish, string beans, and eggplant to the pot. Simmer for an additional 5 minutes until the vegetables are tender.
- 5
Finally, add the green chili peppers. Season the soup with salt and pepper to taste before removing from heat.
Cook notes
Tips
Use fresh fish for the best flavor.
Adjust the sourness by varying the amount of tamarind pulp added.
Cook smarter
Helpful notes
Practical storage, serving, swap, and troubleshooting notes for a better first try.
Storage Tips
- Store any leftovers in an airtight container in the refrigerator for up to 2 days.
- Reheat the soup on the stove for best flavor; avoid microwaving as it can overcook the fish.
Substitutions
- If bangus is not available, try using tilapia or cod as an alternative white fish.
- For a milder sour flavor, you can use fresh calamansi juice instead of tamarind.
What to Serve With
- Serve with steamed jasmine rice.
- Enjoy with a side of fried plantains for added sweetness.
Common Mistakes
- Avoid overcooking the fish; it should be tender but not fall apart completely.
- Don't skimp on the tamarind, as it’s key for achieving the authentic sour flavor.
Recipe FAQ
What type of fish is best for Sinigang?
Firm white fish like bangus (milkfish) or tilapia works great.
Can I make Sinigang without tamarind?
You can substitute tamarind with other souring agents like kamias or calamansi, but the flavor will differ.
Is there a vegetarian version of Sinigang?
Yes, you can replace fish with tofu and keep the vegetable ingredients.
Kitchen tools
Helpful Tools for This Recipe
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Blender
Helpful for smooth sauces, soups, marinades, and purees.
Saucepan
Useful for simmering sauces, soups, grains, and small-batch stews.
Skillet
Useful for browning, quick sautes, and weeknight one-pan cooking.
Chef knife
A basic prep tool for vegetables, herbs, aromatics, and proteins.
Cutting board
Keeps prep organized for chopping, slicing, and staging ingredients.
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