16 dried Kashmiri chilli peppers, stemmed and seeded
1/2 cinnamon stick
1 teaspoon cumin seeds
6 whole cloves
1/2 teaspoon whole black peppercorns
1/2 teaspoon ground turmeric
1 tablespoon vinegar
salt to taste
900g boneless pork fillet, trimmed and cut into 2cm cubes
4 tablespoons vegetable oil
4 onions, chopped
10 cloves garlic, minced, or more to taste
1 (5cm) piece fresh ginger, peeled and minced
475ml boiling water
2 green chilli peppers, seeded and cut into strips
4 tablespoons white vinegar