In a pot with cold oil and aromats (ginger, garlic and onion), bring to a sizzle on medium high heat until the aromats go dark brown (10-15min).
Remove the aromats.
Turn off the heat and add in the spices to the oil for about 15 minutes until the spices go brown too.
Remove spices.
Bring heat up to about 170-180C.
Pour over the chilli flakes, fried shallots, seasonings and black bean if using.
Allow to cool and place into jars.
