Suprêmes de Volaille en Papillote

Suprêmes de Volaille en Papillote (chicken breast fillets in parchment) teaches one clean principle: the paper is not wrapping, it is the cooking vessel. Seal it completely and the trapped juices swell the heart, finish the suprême gently, and carry its aroma to the table. Leave a weak pleat and the whole effect escapes before the chicken is cooked.

The original entry assumed a saucier with reduced Sauce Italienne ready, a stockpot never off the fire, and enough hands to fold a full service of paper hearts. At home, one small saucepan builds four portions from mushroom and ham fond, a light roux, white-wine reduction, concentrated tomato, and strong chicken stock. Modern parchment replaces buttered kitchen paper, while a rimmed sheet pan replaces the service tray. No salamander belongs here; a thoroughly preheated home oven provides the fierce, even heat the dish actually requires. Making gallons of sauce is brigade scaffolding and can go. The reduced Italienne, the raidir (quick stiffening in butter without browning), the ham above and below, and the tight papillote are the dish and must stay. One cook, one stove, one evening.

The sauce must be thick enough to hold the trail of a spoon before it touches the paper. A loose sauce floods the seam and a weak reduction tastes unfinished; if yours goes too far, loosen it a teaspoon at a time. Ça se rattrape. Then give the final pleats your full attention, because the seal is the one step that decides whether the paper heart rises tight around a tender breast.