Chicken tikka masala

Ingredients

• 500g skinless chicken breast, diced
• 2 teaspoons rapeseed oil
• 1 onion, finely sliced
• 2 peppers, 1 green and 1 red, deseeded and cut into chunks
• 1 red chilli, deseeded and finely diced
• 4 cardamom pods
• 1 x 400g can chopped tomatoes
• 2 cloves garlic, peeled
• 2cm root ginger, peeled
• 1 tablespoon ground turmeric
• 1 teaspoon each of garam masala, ground coriander, ground cumin and paprika
• ½ teaspoon ground cinnamon
• 150g fat-free Greek-style yoghurt
• 1 tablespoon lime juice