Pork Balchão - Lavender and Lovage

Ingredients

• 2 tablespoons vegetable oil
• 1 tablespoon fresh ginger root (finely diced)
• 1 tablespoon crushed garlic
• 1 x cinnamon stick (broken into pieces)
• 1 to 2 teaspoons crushed dried red chillies (to taste)
• 4 cloves
• 2 1/2 teaspoons cumin seeds
• 12 black peppercorns
• 700g cubed leg of pork (trimmed of all fat and skin)
• 1 large onion (peeled and thinly sliced)
• 1 teaspoon ground turmeric
• 200ml warm water
• 2 tablespoons tomato puree
• 1/2 teaspoon chilli powder
• 1 teaspoon salt
• 1 teaspoon caster sugar
• 3 tablespoons cider vinegar