Merlan en Lorgnette au Gratin

Merlan en Lorgnette au Gratin (whiting coiled like a pair of spectacles and baked beneath a gratin) teaches that presentation begins at the knife, not on the serving plate. The one true thing to know is this: each pair of fillets must remain joined to its head while the backbone comes away. Lose that hinge and the fish will still taste good, but the lorgnette has lost its grammar.

The original assumed a poissonnier at the fish bench, chilled forcemeat waiting in the garde-manger, a saucier holding Gratin Sauce from Gratins (No. 268) over a stock never off the fire, and a salamander ready to finish the operation drawn from Filets de Merlan au Gratin (No. 1018). Your honest equivalents are a fishmonger who scales and guts without filleting, a flexible knife, the prepared referenced components, a fiercely heated home oven, and a brief touch of the broiler only if the crumbs need it. Separate stations and the salamander are brigade scaffolding. The attached heads, fines-herbes forcemeat, inward curls, mushrooms, white wine, built sauce, buttered crumbs, and single decisive bake are the dish and must stay. One cook, one stove, one evening.

The finished gratin is splendidly direct: four whiting heads meet at the center while their filled fillets curl outward beneath a bronzed crust, with mushrooms settled into a glossy sauce and lemon sharpening the final spoonful. Before you touch the baking dish, give your full attention to the tail-to-head boning cut. Everything afterward depends on that small attachment at the collar.