Rogan josh

Ingredients

• 200 millilitres natural yoghurt
• 5 centimetre ginger, peeled, grated
• 4 cloves garlic, crushed
• 1 teaspoon turmeric
• 1/2 teaspoon ground coriander
• 1 kilogram boneless leg of lamb, trimmed, cubed
• 3 brown onions
• 4 red capsicums, halved, de-seeded
• 1 bunch coriander, chopped, plus extra to serve
• 2 red chillies, de-seeded
• 60 grams butter or ghee
• 2 tablespoons garam masala
• 1 tablespoon paprika
• 800 grams canned diced tomatoes
• 1 cup water or stock
• 1 cup baby spinach leaves
• steamed rice, to serve
• papadams (or naan), to serve
• natural yoghurt, to serve
• tomato raita, to serve