Sieve the flours twice with soda, cornflour, salt, milk powder to a largish mixing bowl.
Add sugar, Cumin Seeds and mix well. Heat 2 TBSP oil and butter to a smoking temperature, cool for 2-3 mins and add to the flour. Using a fork (caution – don’t use your hands, your hands could be scalded), mix the flour .
Rub the oil-butter into the flour till it resembles breadcrumbs, much like making short bread. Now add the rest of spices, onions and mix well.
Let it stand for 5 mins till onions release the water due to the salt.
Now, sprinkle very little water and make into a slightly stiff dough. Do not over-knead
Covered rest of dough for 5 mins * (see notes)
Preheat oven to 175 Deg C
Roll into a thickish disc, using a cookie cutter , poke them with a fork, and place the cut out discs onto a lined
baking tray / silicon sheet. With a brush, apply a very thin film of oil .
Bake for 12-15 mins at 175 deg c. flip them once , baste them again with a brush and bake for 5-7 mins at 165
when you see them golden brown. If its too brown already, they may start burning very fast.
Cool them on the rack and store in an airtight container.