Sour mango pieces(medium sized)- 3 cups
mustard seed powder - 1 cup
red chilli powder - 1 cup
salt - 1 cup
turmeric powder- a pinch, fenugreek seed powder - 2 tsp, asafoetida powder - 1 tsp
Mix the above ingredients and add the mangoes and mix well.Add 3 cups of sesame oil. The oil should come to the top. For the next 4 days, stir it with a dry laddle once everyday. Store in refrigerator