How to make Fried Onion Paste (Pyaaz ka Lep)

Ingredients

1. Preheat a large deep frying pan over medium heat. Pour the oil and add the sliced onions once the oil get hot and shimmer.
2. Cook them by stirring often for 15 to 20 minutes until they turn golden brown (slow cooking will give better results). Transfer the cooked onion to a separate plate to cool.
3. Add the golden brown onions to a blender jar and pour 1 cup of water. Blend it until it forms a smooth paste.
4. Store the paste in a tightly sealed container in the refrigerator for upto 1 week or in the freezer for up to 1 month.