Base Gravy
1 kilo sliced onions
Leg bone from the lamb
2 whole medium size beetroots
1 large cinnamon stick
10 whole black cardamoms
5g mace
10 whole cloves
3 pints water
50g each of finely grated peeled ginger and garlic
1tsp salt
500g carton tomato passata
8 tbsp oil
1tsp tandoori masala
1tsp turmeric
1tsp paprika
50g fresh chilies
Stalks from large bunch of coriander
Simmer the onions, beetroot, lamb bone, cinnamon, black cardamom, mace and cloves in the boiled water for 50 mins. Meanwhile fry the garlic and ginger in hot oil until browned, add and bhuna the turmeric, paprika and tandoori masala for 30 secs, add the passata and fry on for ten mins then add to the onion mix. Remove the bone and cinnamon stick and discard or give to the dog to enjoy. Peel and chop the now cooked beetroot and return to the mix along with the salt, coriander stalks, chilies and cook on for five mins. Then blend the whole lot, bring back to the boil and simmer for another 20 mins skimming of any scum that accumulates on top.