Spicy Naga Chicken Curry

Name: Spicy Naga Chicken Curry
Ingredients: 2 onions, roughly chopped; 700g (1 1/2 lbs.) skinless chicken thighs - cut into bite sized pieces; 1 tsp salt; 3 tbsp rapeseed (canola) oil or ghee; 1 tsp cumin seeds; 2 tbsp garlic and ginger paste; 1 tbsp tandoori masala; 1 tbsp Madras curry powder; 1 tbsp Kashmiri chilli powder or spicy red chilli powder; 400g Passata; 250ml (1 cup) chicken stock or water; 1 to 3 tbsp Mr Naga or similar naga pickle (more or less to taste); 1 tsp kasoori methi (dried fenugreek leaves); Salt and pepper to taste; 3 tbsp coriander (cilantro) finely chopped; Juice of one lime