2 garlic cloves, crushed
3cm/1¼in piece of fresh ginger, peeled and finely grated
½ lemon, juice only
1 large onion, finely chopped
150ml/5fl oz chicken stock or water
half a 400g can chopped tomatoes
4 tbsp ready-made tikka masala curry paste
8 cardamom pods
½–1 tsp cayenne pepper (depending on how hot you like it)
1 cinnamon stick
1 tsp ground coriander
1 tsp ground cumin
1½ tsp garam masala
½ tsp salt
½ tsp ground turmeric
3 tbsp vegetable oil or ghee (clarified butter)
2 tbsp natural yoghurt
4 skinless, boneless chicken breasts