Sinigang na Inihaw na Liempo

1. Season pork with salt and pepper and marinate for about 10 to 15 minutes.
2. Grill over hot coals until nicely charred and cooked through, turning on sides as needed. Remove from heat and cut into serving pieces.
3. In a pot over medium heat, combine pork and water and bring to a boil.
4. Add onions and tomatoes. Lower heat, cover, and simmer for about 3 to 5 minutes.
5. Add gabi and cook for about 6 to 8 minutes or until almost tender.
6. Add radish and cook for about 2 to 3 minutes.
7. Add long beans. Continue to cook for about 2 minutes.
8. Add eggplant, okra, and chili peppers. Cook for another 1 to 2 minutes.
9. If using packaged tamarind base, add to pot and stir until completely dissolved. Season with salt and pepper to taste.
10. Add bok choy and continue to cook for about 1 minute. Serve hot.

If Using Fresh Tamarind

1. Wash tamarind and place in a pot with 1 cup water. Bring to a boil and cook until soft and outer skins begin to burst.
2. With a fork, mash tamarinds. In a fine-mesh strainer set over a bowl, pour tamarind and liquid. Continue to mash with a fork, returning some of the liquid into the strainer once or twice, to fully extract the juice. Discard seeds and skins.
3. Pour tamarind juice into the pot.