The Saucier · Sauce
Sauce Espagnole & Demi-Glace
- Advanced
- 4 h
- roughly 3 of 4 for cost
Leads with richness that coats and comforts, fresh herbs arguing happily on top, trailing gentle sweetness.
Ingredients
- 60g butter + 60g flour, cooked to a BROWN roux: patience, it smells of hazelnuts when ready
- 1.5L rich brown veal or beef stock (roasted bones: the color and body live there)
- Mirepoix: 2 carrots, 1 onion, 2 celery ribs, browned hard; 3 tbsp tomato paste, caramelized
- Bay, thyme, parsley stems
- Mother #3, and demi-glace, its famous child, is just espagnole + stock, halved by fire
Equipment
Fine sieve
The skills inside
Reducing a sauceMaking a rouxSearing: the hard crustStraining & passing through a sieveSkimming: foam, fat and a clear broth
Allergen screen
Found: gluten · dairy · nuts · celery
Screened for: gluten, dairy, egg, nuts, peanuts, fish, shellfish, molluscs, soy, sesame, celery, mustard, lupin, alcohol. Not screened: sulphites.
Screened by keyword from the ingredient list, not reviewed by a person; check every label for what the list cannot show.
Method
- Brown the mirepoix in butter; add paste and darken it; set aside.
- Make the brown roux separately, stirring 8–10 min to café-au-lait; whisk in warm stock. 10 min
- Unite with mirepoix and herbs; simmer 1.5–2 h, skimming relentlessly; strain through fine mesh. 120 min
- For demi-glace: equal parts espagnole and fresh brown stock, reduced by half again, until it coats a spoon like dark satin and sets to jelly when cold.
How it should come out
- The roux before the stock goes in: café-au-lait to hazelnut brown, smelling of toasted nuts, with no black specks and no acrid catch at the back of the nose. Burnt roux cannot be skimmed, strained or reduced out afterwards, so it is stopped here.
- A ladle drawn across the surface comes up dry: no fat eyes, no grey scum, and no ring of it on the pot wall stirred back in.
- Passed through fine mesh and smooth on the lip: no specks of mirepoix, no herb, no grain from the roux.
- It coats the back of a spoon and holds a finger-drawn line without closing, and the film on the spoon reads deep translucent brown against the light rather than grey or muddy. Chilled demi-glace sets firm enough to cut into cubes that keep their edges.
- It tastes of roasted bone with no chalk of raw flour anywhere in it, and it is deliberately short of salt: seasoned to the palate now, it becomes brine when the demi is reduced by half.
Where it goes wrong Skimming was let go in the first half hour, so fat and albumin were reduced back into the sauce: it comes out cloudy, greasy on the lip, and tasting of scorched flour instead of roasted bone.
At the Table
- The Pour
- Cabernet Sauvignon or Malbec
- Also Right
- Tempranillo (Rioja Reserva)
- From the Taps
- Amber ale
- Zero-Proof
- Sparkling water, make room
Tannin binds to seared protein and fat: each bite softens the wine, each sip resets the palate: the steakhouse equation.
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