Cut meat into large chunks. Wash and drain
Mix yoghurt, garlic, ginger, some saffron, a little yellow colouring, salt, green chillies, chopped onions, tomatoes,tomato puree and half the quantity of whole garam masala Marinate the meat in this mixture for 3-4 hours
Transfer to a saucepan and cook until meat is tender
Fry the 31arge onions until they are crisp and a rich brown in colour; leave aside
In the same oil fry the potatoes and leave aside
Add the fried onions (leaving some aside) and potatoes to the meat mixture
Add garam masala powder and lemon juice. Mix well
Heat the remaining oil to a high temperature and add half the quantity of the remaining whole garam masala until they splutter, pour onto the meat and cover immediately; keep covered for a few seconds
Prepare rice as in Vegetable Biryani and follow instructions 8-12 (section: Rice, recipe D12)
Serve Me lamb masala on abed of riceN.B. Lamb can be substituted for beef or chicken