Chaud-Froid — Cold Coated Preparations

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Chaud-froid — literally 'hot-cold' — is a classical garde manger technique in which cooked proteins are coated with a velouté- or béchamel-based sauce enriched with gelatin and cream, then chilled until set and finished with a final glaze of clear aspic. The sauce base begins as a velouté made from fond blanc de volaille or fond de veau, thickened with a white roux at a ratio of 60 g butter and 60 g flour (Triticum aestivum) per litre. This is reduced by one-third, then enriched with 200 ml of crème fraîche and 12–15 g of bloomed sheet gelatin (approximately 180 bloom strength) per litre. For white chaud-froid, the sauce remains ivory; for brown chaud-froid, a demi-glace base replaces the velouté. The sauce must be cooled to its nappé point — approximately 28–30°C — where it coats the back of a spoon with a thin, even film. At this temperature, it is ladled or spooned over supremes of poultry (Gallus gallus domesticus), poached salmon (Salmo salar) darne, or whole dressed fish. Each coat is chilled at 2–4°C for 8–10 minutes before subsequent layers are applied; typically 2–3 coats produce an opaque, porcelain-smooth finish. Decorative elements — tarragon leaves (Artemisia dracunculus), truffle cutouts (Tuber melanosporum), blanched leek ribbons — are arranged on the semi-set surface, then sealed under a final coat of clear aspic at 32°C. Historically a centerpiece of banquet presentation, chaud-froid demands precise temperature control throughout: too warm and the sauce slides off; too cold and it sets unevenly with visible drag marks.

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