Prawn tikka masala - Good Food Middle East

Ingredients

• 1 large onion , roughly chopped
• 1 thumb-sized piece ginger , peeled and grated
• 2 large garlic cloves
• 1 tbsp rapeseed oil
• 2-3 tbsp tikka curry paste
• 400g can chopped tomatoes
• 2 tbsp tomato purée
• ½ tbsp light brown soft sugar
• 3 cardamom pods , bashed
• 200g brown basmati rice
• 3 tbsp ground almonds
• 300g raw king prawns
• 1 tbsp double cream
• ½ bunch of coriander , roughly chopped
• naan breads , warmed, to serve (optional)