Heat up the oil in the Instant Pot on saute mode and sear the carcass

Add water and put the lid on

Set it to sealing mode and set the Pressure Cook timer to 60 mins

Once done, remove the bones and allow to cool

Strain the stock and refrigerate

In the IP heat a bit more oil and add the spring onions, garlic, mushrooms, green peppers and cauliflower florets and allow to cook

Remove any residual meat from the duck carcass and add back into the pot

Add half the soya sauce

Add the noodles and allow to cook

Add the other half of the soya sauce if required

Garnish with spring onion leaves and pepper