Rogan josh with raita

Ingredients

• rogan josh
• 1 kilogram boned leg of lamb, trimmed,
• diced into 3cm pieces
• 2 teaspoons ground cardamom, ground cumin
• 20 grams butter
• 2 tablespoons vegetable oil
• 2 medium brown onions (300g), sliced thinly
• 4 centimetre piece fresh ginger, grated
• 4 cloves garlic, crushed
• 2 teaspoons sweet paprika
• 2 teaspoons ground coriander
• 2 teaspoons ground cumin
• 1/2 teaspoon cayenne pepper
• 1/2 cup (125ml) beef stock
• 410 grams can crushed tomatoes
• 2 bay leaves
• 2 cinnamon sticks
• 200 grams natural yoghurt
• 3/4 cup (110g) slivered almonds, roasted
• 1 long red chilli, sliced thinly
• naan bread, to serve
• Raita
• 1 cup (280g) thick natural yoghurt
• 1 lebanese cucumber, seeded, chopped finely
• 1 tablespoon fresh mint, finely chopped
• pinch ground cumin