Take a full Mango. Peel the skin over the Mango fully. Now using a grater grate the Mango Fully.
Now take a pan/Kadai and add in 2 tbsp of Gingelly Oil. Once the oil heats up add in Mustard and hing, Let it splutter. Then add in the grated Mango and saute it for about 4 mins. Add in Turmeric powder and Salt and mix well. Cook for about 3-4 mins in medium flame the mangoes will become soft.
Then add in the Chilli powder and mix well. Keep on Cooking the grated Mangoes will reduce in volume.
Once the Mangoes come together and in 2 tbsp of oil and keep on cooking adjust the salt and spice level accordingly. Continue cooking until the oil oozes on the sides of the pan. Finally, add in the Fenugreek powder and jaggery(if using) mix well and then switch off the flame.
Notes
Store the Mango thokku in an air tight container and refrigerate for longer shelf life.
Always use a clean and dry spoon for longer shelf life.