Wash, Pat dry and peel the mangoes. Grate it and keep aside
Dry roast the methi or fenugreek seeds and coarsely crush them in a mortar and pestle. Keep aside.
Heat a thick bottom kadhai or pan, add oil.
Allow it to heat well and then add mustard seeds. Let it crackle.
Add hing or asafoetida.
Add the grated raw mangoes and cook until they have reduced slightly in volume. Ensure the heat is low while cooking mangoes.
Add salt to taste, turmeric powder and red chilli powder. Mix well
You will now notice the oil leaving the sides of the pan leaving you with a heady aroma of the oil and spices.
Add Jaggery at this stage and mix well. Switch off the flame.
Add the coarsely crushed methi seeds and mix well.
Allow it to completely cool before transferring it to a clean and dry glass jar with a lid.
Store it in a refrigerator.