Pyaaz Ka achar (Onion Pickle)

Ingredients:

1 cup Mustard oil
4tbsp Black mustard seeds
2tsp red chili powder
1tsp ground turmeric
3tbsp vinegar
21/2 tbs. sugar
1/2 tbs. salt
3tbsp dry mango powder
15-18 green chilies
30 cloves of garlic (peeled)
11/2 tbs. Ginger  (crushed)
11/2tbsp Garlic (crushed)
900gms Onions (sliced)
1/2tsp ascorbic acid

Heat oil to smoking point, then set aside to cool.
Grind or blend the mustard seeds, chili powder, turmeric, vinegar, sugar, salt and dry mango powder together to make a paste.
Add this paste to the oil, then all the other ingredients.
Stir to mix well and store in sterilized jars covered with a film of oil.
Keep for 3-4 weeks refrigerated.