Add 1 ½ cups water to the Instant Pot followed by the trivet (or silicone sling). Place a parchment round on the trivet or sling and lay in a fillet. Generously brush the fillet with the marinade. Stack the next fillet on top in a crisscross fashion and repeat the process until all fillets are stacked and marinated.
Secure the lid, move the valve to the sealing position and hi Pressure Cook or Manual at High Pressure for 5 minutes (see Jeff's Tips). Quick release when done.
Carefully remove the trivet or sling with the fillets and transfer to a plate (they will be very delicate). Brush on more marinade before serving with some rice pilaf.
