Hairy Bikers’ chicken curry

Name: Hairy Bikers’ chicken curry
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Cuisine: Indian
Ingredients: 1kg boneless chicken breasts, cut into big chunks; 1½ tsp ground black peppercorns and coriander seeds; ¾tsp garam masala (blend of Indian spices, which you'll find in your local supermarket); 1tsp paprika; 1½ tsp turmeric; ½tsp red chilli flakes; 2 fresh tomatoes, sliced; Handful of fresh coriander, chopped; 3 bay leaves; 450ml water; 3tbsp sunflower oil, ghee or olive oil; 2tsp cumin seeds; 2 medium onions, peeled and chopped; 1 head of garlic, cloves peeled and chopped; Small tin of chopped tomatoes; 5cm piece of root ginger, peeled and chopped; 2 whole green chillies