Sinigang is a beloved Filipino sour soup made with a tangy broth, typically from tamarind, simmered with pork, shrimp, or fish, and a hearty mix of vegetables like kangkong (water spinach), radish, and eggplant. It is served hot over rice and is known for its comforting, savory-sour balance. This guide walks you through making a classic pork sinigang, with tips for customizing the protein and vegetables.
What You’ll Need
- 1 lb (450 g) pork belly or pork shoulder, cut into 2-inch chunks
- 1 packet (1.4 oz / 40 g) sinigang mix (tamarind soup base) – or 1 cup (240 ml) fresh tamarind pulp (see substitutes below)
- 8 cups (1.9 L) water
- 1 medium onion, quartered
- 2 medium tomatoes, quartered
- 1 daikon radish (labanos), peeled and sliced into 1/2-inch rounds
- 1 Chinese eggplant, sliced diagonally (optional)
- 1 bunch kangkong (water spinach) or regular spinach, leaves picked and stems trimmed
- 6–8 green beans, trimmed and cut into 2-inch pieces
- 2–3 long green chilies (siling haba) or 1–2 Thai bird chilies (optional, for heat)
- 2 tbsp (30 ml) fish sauce (patis), plus more to taste
- Salt and freshly ground black pepper, to taste
Substitutions: If you can’t find sinigang mix, use 1 cup (240 ml) fresh tamarind pulp (soaked in 1/2 cup warm water, then strained) or 3 tbsp (45 ml) tamarind paste mixed with 1/4 cup (60 ml) water. The flavor will be less concentrated; adjust with extra fish sauce or a squeeze of calamansi or lime.
Step-by-Step
- Boil the pork: In a large pot, combine the pork, onion, tomatoes, and 8 cups (1.9 L) of water. Bring to a boil over high heat, then reduce to a simmer. Skim off any scum that rises to the surface. Simmer for 45–60 minutes, or until the pork is tender.
- Add the souring agent: Stir in the sinigang mix (or fresh tamarind pulp/paste) and fish sauce. Taste the broth – it should be pleasantly sour and savory. Adjust with more mix or fish sauce if needed.
- Add the vegetables (except leafy greens): Add the radish, eggplant, and green beans. Simmer for 5–7 minutes, until the radish is slightly tender but still crisp.
- Add the chilies (if using): Drop in the green chilies. They are usually left whole to infuse heat without making the soup overly spicy.
- Add the leafy greens: Add the kangkong or spinach leaves. Stir and cook for 1–2 minutes, just until wilted. Do not overcook.
- Season and serve: Taste and adjust salt and pepper. Serve hot with steamed rice. If you used pork, ensure it’s cooked to a safe minimum internal temperature of 145°F (63°C) for whole cuts, but since it’s simmered for over an hour, it will be well above that. Use a food thermometer to check if unsure.
For shrimp or fish sinigang: Use 1 lb (450 g) large shrimp (peeled, tails on) or firm white fish like salmon or tilapia. Skip the pork and start by boiling the aromatics in water for 10 minutes to make a quick broth. Add the souring agent, then the vegetables. Add the shrimp or fish in the last 5–7 minutes of cooking, just until opaque and cooked through. Fish is safe at 145°F (63°C) (USDA FSIS safe minimum).
Common Mistakes
- Overcooking the vegetables: Radish and green beans become mushy if simmered too long. Add them at the right time and keep the heat at a gentle simmer.
- Adding the leafy greens too early: Kangkong and spinach turn slimy and lose color if cooked for more than a few minutes. Add them at the very end.
- Not skimming the scum: Leaving the foam from the pork can make the broth cloudy and bitter. Skim it off during the first 10 minutes of simmering.
- Using too much sinigang mix: The mix is concentrated; start with half a packet, taste, and add more. You can always add, but you can’t remove.
- Forgetting to taste: Sinigang should be balanced – sour, savory, and slightly salty. Always taste before serving and adjust.
Tips
- Choose the right pork: Pork belly gives a richer, fattier broth; pork shoulder is leaner. Both work, but belly is traditional.
- Use a mix of souring agents: For a more complex sourness, use half sinigang mix and half fresh tamarind or calamansi juice.
- Add the fish sauce gradually: Fish sauce is salty; add a little at a time and taste.
- Make it ahead: Sinigang tastes even better the next day. Store cooled leftovers in an airtight container in the refrigerator for up to 3–4 days.
- For a thicker broth: Mash a few cooked tomato pieces against the side of the pot before serving.
Troubleshooting
- Too sour: Add a pinch of sugar or a splash of fish sauce to balance the acidity. You can also add more water.
- Not sour enough: Add more sinigang mix (dissolved in a bit of hot water) or a squeeze of calamansi/lime.
- Broth is too salty: Add a cut potato or a few extra cups of water to dilute. Simmer for 5 minutes, then remove the potato.
- Pork is tough: The pork wasn’t simmered long enough. Return it to the pot and cook for another 30 minutes, or until tender.
- Vegetables are mushy: Unfortunately, you can’t undo overcooking. Next time, add them later. For now, remove the mushy pieces and serve the broth with the remaining vegetables.
- Broth is cloudy: This is usually from not skimming the scum. It’s not a safety issue, but you can strain the broth through a fine-mesh sieve before adding vegetables.
Frequently Asked Questions
Q: Can I use chicken instead of pork?
Yes, chicken thighs or drumsticks work well. Simmer them for 30–40 minutes until cooked through (165°F / 74°C internal temperature).
Q: What is kangkong and can I substitute it?
Kangkong (water spinach) is a leafy green with a mild, slightly earthy taste. If unavailable, use regular spinach, Swiss chard, or even bok choy. The cooking time will be similar – just wilt the leaves.
Q: How do I make sinigang less sour?
Reduce the amount of sinigang mix or tamarind. You can also add a bit of sugar or more water to dilute the sourness.
Q: Can I freeze sinigang?
Yes, but the vegetables will become softer. Freeze the broth and pork without the leafy greens. Reheat and add fresh greens when serving.
Q: Is sinigang mix the same as tamarind paste?
No. Sinigang mix is a powdered soup base with tamarind and other seasonings (like salt, MSG, and sometimes chili). Tamarind paste is just the fruit pulp. You can use either, but adjust quantities – the mix is more concentrated.
Q: What is the best cut of pork for sinigang?
Pork belly is traditional and gives a rich, fatty broth. Pork shoulder is leaner and also works well. Avoid very lean cuts like tenderloin, as they can become dry.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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