1In a large pot, bring water to a boil. Add the pork belly and simmer until tender.
2Pour the tamarind soup base into the pot and bring it to a boil. Add the tomatoes and simmer for 5 minutes.
3Add the radish, eggplant, okra, and string beans. Season with fish sauce and salt. Simmer until vegetables are cooked.
4Add the spinach and cook for another minute. Adjust seasoning if needed. Serve hot with steamed rice.
To level up your sinigang, add a piece of grilled pork belly on top before serving. It's so extra but so worth it! Don't forget to sip the soup straight from the bowl, that's the legit way to enjoy it!