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You are here: Home / Food Tales / An Introduction to Sinigang, the Iconic Filipino Sour Soup

An Introduction to Sinigang, the Iconic Filipino Sour Soup

Sinigang is a vegetable soup with a salty-sour broth. Meat, poultry or seafood traditionally accompany the vegetables.

Pork sinigang

The vegetables

The vegetables traditionally used with sinigang are kangkong, talbos ng kamote, sitaw or sitao (yard-long beans) taro, eggplant, okra and green chili.

Kangkong (water / swamp spinach) is a green leafy vegetable that grows in swampy areas.

Spinach in a pan

They’re vegetables from three distinct plants. Spinach is Spinacia oleracea, swamp / water spinach is Ipomoea aquatica, Malabar / vine spinach is Basella alba. If the scientific names are too much information, …

Read moreSpinach, Swamp (Water) Spinach and Malabar (Vine) Spinach: What’s the Difference?

Talbos ng kamote refers to the tender leaves of the sweet potato. Taro is an edible rootcrop with white flesh. Where kangkong and talbos ng kamote are not available, spinach or mustard leaves are good substitutes. I said OR because I have never tried using both at the same time.

Rice washing

Sinigang is traditionally prepared using rice washing, instead of plain water, to start the soup. Unless you are very sure about the sanitary conditions under which your rice was packed and bought, I really won’t recommend this. Since the purpose of using rice washing is mainly to thicken the soup and to give it a cloudy appearance, the same results can be achieved by including taro among the ingredients.

The protein

Meat or seafood. The most traditional meat for sinigang is pork tail. Pork ribs comes a close second. It’s milkfish, bone-in and sliced, if you want seafood. Or unshelled prawns with heads and tails intact.

But that’s being traditional. There are so many ways to cook sinigang and, over the past decade, cooks’ creativity has expanded the sinigang universe exponentially.

Crispy pork belly sinigang / Corned beef sinigang

The eternal love affair of Filipinos with crispy pork belly gave birth to a sinigang cooked without meat, and cubes of crispy pork belly are dropped in just before serving so that the puffed rinds stay crisp when the serving bowl lands on the dining table.

Outside the world of humble eateries, there’s corned beef sinigang. Not canned corned beef, mind you, but chunks of cured beef. Because it’s pricey, corned beef sinigang is not something you can order in carinderias and cafeterias.

Salmon belly sinigang / bangus (milkfish) belly sinigang

When it comes to seafood, bone-in milkfish (I don’t know of any fish with more bones than milkfish) has been replaced with boneless belly.

Salmon belly sinigang, first introduced by a local restaurant, is now in the repertoire of many home cooks.

The list goes on, really. For as long as the soup and vegetables are cooked the way sinigang has always been cooked, what meat or seafood is added to the mix can be anything.

The souring agent

The broth is seasoned with a souring agent to give the soup its characteristic flavor. Tamarind extract is the most common but guava, kamias (bilimbi), unripe mangoes or other sour fruits can be used too.

Pressing fresh tamarind (sampalok) pulp

Sinigang mix in pouches might be convenient but there’s nothing like fresh tamarind juice for sinigang. Here’s an illustrated guide on how to extract tamarind juice.

Read moreHow to Extract Tamarind Juice

Tips for cooking sinigang

When making sinigang, cook just enough for one meal. It never tastes good after it has been refrigerated and reheated.

You don’t have to add all the traditional vegetables. Choose the vegetables you want to add to the soup or stick with what you have access to.

Don’t dump the vegetables into the broth at the same time. Always start with the one that takes longest to cook. Drop in the rest at five minute intervals and always tasting the broth after each addition to check if seasonings need to be adjusted.

If using eggplants, slice just before adding them to the soup; otherwise they will discolor. Some people soak sliced eggplant in salted water purportedly to get rid of its “bitterness”. I have never done that since I find no “bitter” taste to get rid of — Asian eggplants are sweetish.

Choose your sinigang

Salmon belly sinigang

Sinigang na Tiyan ng Salmon (Salmon Belly Sour Soup)

Oxtail Sinigang

Oxtail Sinigang

Pork ribs sinigang with eggplants, radish and kangkong

Pork Ribs Sinigang

Published: November 16, 2021 • Last modified: November 16, 2021 ♥ Food Tales
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