Butter chicken

Ingredients

• 2 limes, juiced
• 1 tbsp salt flakes
• 2 tsp chilli powder
• 1.5kg boneless, skinless chicken thighs, each cut in half
• 80g almonds
• 2 fresh bay leaves
• 6 cloves
• 10 black peppercorns
• 5 cardamom pods, seeds only
• 2 cinnamon sticks
• 3 tbsp ground coriander
• 3 tbsp ground cumin
• 1 tsp turmeric powder
• 1 cup plain yoghurt
• 3 tbsp vegetable oil
• 2 brown onions, finely sliced
• 10 cloves garlic, finely chopped
• 5cm piece ginger, finely chopped
• 400g tomato puree
• 2 tbsp tomato paste
• 1.5 litres chicken stock (gluten-free if required)
• 1 tbsp fenugreek seeds
• 2 long red chillies, split
• 3 tbsp butter, soft but not melted
• coriander leaves, to garnish
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