Fish ‘pie’ with mussels and prawns.

This is a creamy, comforting 'pie' with tons of flavour and goodness without the crust.  All LCHF. I used john Dory, mussels and prawns. You can use any firm-fleshed white fish such as snapper, Ling, Mahi Mahi, or Blue Grenadier; the mussels and prawns may easily be excluded and you can add scallops if you [...]