Prepare the Saag base by grinding together the lime juice, cumin seeds, peppercorns, garlic, ginger, chillies, spinach and coriander
Add a little water to get it going and salt
Add salt, mustard oil and the powdered spices to the chicken together with the ground saag and mix it in
This will take 60 - 75 mins to cook in a preheated oven
Put the Chicken in the oven first while you work on the potatoes
Add mustard oil, salt and cumin seeds to the potatoes and place them in the oven as well till cooked