Heat a pan and roast flax seeds over low flame. When they begin to pop, transfer them to a plate.
Dry roast urad dal till it becomes golden brown over low flame. Transfer to a plate.
Dry roast peanuts over low flame till you get the aroma. Transfer to the plate. You can remove the skin if you want. But I do not bother.
Dry roast sesame seeds till they pop and transfer to the same plate to cool down.
Dry roast whole dry red chilies for 1-2 minutes. Transfer to a plate.
In the same pan when it is still warm, add tamarind, garlic (if using) and roast for a minute.
Take dry red chilies, tamarind, salt in a mixie jar and grind to a coarse powder.
Add the rest of the dry roasted ingredients and grind to a coarse powder.
Flax seeds podi is ready.
Enjoy with idli, dosa or mixed with rice.