Step 1

Add the ghee to a saucepan and heat over a medium heat.

Step 2

Add the onion and fry stirring often for 6-8 minutes, until the onion starts to soften and turn transluscent.

Step 3

Add in the minced garlic, stir and cook for another minute.

Step 4

Now add in the garam masala, fenugreek, salt, cumin seeds, and nigella seeds and fry, continuously stirring, for 2 minutes until the spices start to release their fragrance.

Step 5

Add in the chopped mangos and stir together.

Step 6

Now add in the sugar and white wine vinegar.

Step 7

Stir everything together and bring to the boil.

Step 8

Turn down the heat and gently simmer, uncovered, for one and a half hours, stiring a couple of times during cooking until you've got that signature chutney consitency.

Step 9

Turn off the heat and allow to cool befor serving.