Milk Poached Black Cod with Garlicky ‘Mornay’ Sauce

So first of all, what IS a Mornay sauce?  According to foodterms.com, it is a cheese sauce usually made with Parmesan and Swiss.  Since the following recipe uses a cheese mixture of Mozzarella and Cheddar, it is not Mornay by traditional standards (and thus, in quotations).  But it doesn’t matter.  It’s still a cheese sauce […]