Chicken Tikka

Name: Chicken Tikka
Prep time: 45 min
Cook time: 4 h 10 min
Total time: 4 h 10 min
Yield: 4 portions
Ingredients: 15 g coriander seeds; 15 g cumin seeds; 2 - 2 ½ Kashmiri dried chillies; 1 tsp black peppercorns; 20 g fresh coriander; 40 g garlic cloves; 40 g fresh root ginger; 85 g vegetable oil; 40 g water; 40 g lemon juice; 10 g fine sea salt; 20 g dried onions; 55 g tomato purée; ½ tsp ground turmeric; ½ tsp Kashmiri chilli powder; ½ tsp garam masala; vegetable oil; 500 g chicken breasts; 100 g plain yoghurt; vegetable oil