This is an interesting way to prepare your fish. After cooking it, you will briefly blaze it with some Cognac. The preparation of the fish will certainly impress your friend.
Put the monkfish fillets in the oven 5min so that they lose their excess of water
Wipe and flour the fillets
Put the instant pot in mode browning
Brown the shallot in a little butter
Brown the fish
Add the cognac
Blaze
Put the instant pot in pressure cooking mode 15min
Servings 2