Pat 500 g chicken thighs dry and dice into bite-sized cubes. In a large bowl, toss to combine the chicken, 1 tsp kashmiri red chilli powder, ¼ tsp salt and 1 tbsp lemon juice. Peel and mince 2 cloves garlic and 2 tsp ginger. Then add the garlic, ginger, 1 tsp garam masala, 1 tsp ground fenugreek, 1 tsp turmeric, 1 tsp ground cumin, 1 tsp coriander, 1 tbsp oil and ⅓ cup Greek yoghurt. Toss to combine, then cover and let the chicken marinate at least 12 hours or overnight.