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Sauce Foyot (Valois) — Béarnaise with Meat Glace

Foyot — also known as Valois — is béarnaise enriched with glace de viande (meat glaze), a reduction so concentrated that it has set to a rubber-like jelly. The meat glaze adds a savoury depth that amplifies the sauce's natural affinity for red meat, turning béarnaise from a companion into a collaborator. Named for the Café Foyot near the Luxembourg Palace in Paris, which served it with grilled tournedos in the 19th century. The technique is simple in description, demanding in execution. Prepare a béarnaise to completion. Separately, warm 2-3 tablespoons of glace de viande until it is liquid — the glaze is solid at room temperature, trembling and sticky when warm. Fold the liquid glace into the béarnaise gently, in two additions. The glaze's gelatin integrates into the emulsion, adding body, gloss, and a meaty richness that the butter alone cannot provide. Glace de viande is the critical ingredient, and it cannot be substituted. True glace is brown veal stock reduced by a factor of 10-12: 10 litres of rich stock becomes 800ml of glace. At this concentration, the gelatin content is so high that it sets to a firm, rubbery jelly when cool. A teaspoon dissolved on the tongue delivers the savoury equivalent of a entire bowl of stock. Commercial 'demi-glace paste' or 'meat concentrate' contains hydrolysed protein and sugar — it will sweeten the sauce rather than deepen it. The finished Foyot should be the same pale yellow as béarnaise but with a deeper sheen from the gelatin, a slightly thicker body, and a lingering meaty savour that makes you reach for the steak knife. It is the ultimate steak sauce — a claim that no other preparation in the classical canon can seriously challenge. Foyot is sometimes confused with Sauce Valois, but in modern French culinary reference, the names are interchangeable. Some older texts distinguish them: Valois as lighter (less glaze), Foyot as richer. In practice, the difference is academic.

1. Glace de viande is irreplaceable — commercial paste is not the same product. 2. Warm the glace to liquid before adding — cold glaze creates lumps. 3. Fold gently — the emulsion is fragile. 4. The meat flavour should deepen the sauce, not dominate it. 5. 2-3 tablespoons of glace per 500ml of béarnaise is the working ratio.

Make glace de viande in large batches and freeze in ice cube trays — each cube is approximately 1 tablespoon, the perfect amount to melt into a béarnaise for two servings. The gelatin in the glace actually stabilises the emulsion slightly, making Foyot more forgiving to hold at service temperature than plain béarnaise.

Using commercial demi-glace paste or stock concentrate, which adds sugar and hydrolysed protein rather than true meat richness. Adding glace de viande that is too hot, which can break the emulsion. Adding too much, which turns the sauce from butter-and-tarragon into gravy. Using a béarnaise that was already unstable — the additional liquid from the melted glace will push it over the edge.

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