Pork and vegetable vindaloo

Ingredients

• 2 teaspoons cumin seeds
• 2 teaspoons garam masala
• 1 teaspoon ground cinnamon
• 2 cloves garlic, quartered
• 4 fresh small red thai chillies, chopped coarsely
• 2 centimetre piece fresh ginger (10g), sliced thinly
• 2 tablespoons white vinegar
• 2 tablespoons vegetable oil
• 1 kilogram boneless pork shoulder, cut into 2cm pieces
• 1 brown onion (200g) chopped coarsely
• 2 cups (500ml) beef stock
• 2 potatoes (400g), cut into 2cm pieces
• 2 carrots (240g), cut into 2cm pieces
• 150 grams green beans, trimmed, chopped coarsely