Cook onions for 10 mins until they soften. Do NOT brown.
Add Tumeric,Cumin, Coriander, Chilli Powder and Ginger Powder to the pan, stir well then turn off the heat.
Add the cooked onions to a bowl containing the other dry ingredients and mix well.
Mix together the tomato puree and water.
Add to the bowl of onions and mix well.
Spoon the onion mix onto a greased baking tray.
Place Onion Bahji tray into a hot over at 180° C for 10 minites only.
Drizzle the onion Bahjis with some oil. then place back in the oven for another 10 minutes or until golden brown.