Stocks (Fond)

French Cookery

Chapter 3 · Stocks (Fond): The Foundation of French Cooking

Fond means both "stock" and, literally, "foundation" — and that double meaning is deliberate. Chapters 4 and 5's mother sauces and Chapter 7's braise all lean on a real stock underneath them. Get this chapter right and several later ones become noticeably easier.

Mirepoix: The Aromatic Base

French cooking's own aromatic base is mirepoix — onion, carrot, and celery, classically in a 2:1:1 ratio by weight (twice as much onion as either carrot or celery). For a stock, cut it into a rough, medium dice — nowhere near as fine as Chapter 2's brunoise, since mirepoix destined for a stock gets strained out and discarded at the end, not eaten.

Not the same move as Italian Cookery's soffritto If you've made an Italian soffritto, the ingredient list looks identical — but the technique genuinely isn't. Soffritto is sautéed low and slow in oil until soft and sweet before anything else is added. Mirepoix for a white stock, below, usually goes in raw, straight into the simmering water alongside the bones — no sautéing at all.

White Stock (Fond Blanc)

A white stock stays pale and delicate — the base for Chapter 4's béchamel and velouté, and for poaching. Nothing in it is browned.

  1. Blanch the bones first Cover raw bones (chicken or veal) with cold water, bring briefly to a boil, then drain and rinse them under cold water. This washes away surface impurities that would otherwise cloud the finished stock.
  2. Start again with fresh cold water Return the blanched bones to the pot with fresh cold water — starting cold, not hot, lets flavour and gelatin extract gradually as the water slowly comes up to temperature.
  3. Add mirepoix and a bouquet garni Add the raw, roughly-cut mirepoix and Chapter 1's own bouquet garni directly to the pot.
  4. Simmer gently for hours, never boil Bring to a bare simmer — small, occasional bubbles, not a rolling boil — and hold it there for several hours, skimming the grey foam that rises to the surface every so often.
A hard boil ruins the clarity, not just the flavour Boiling a stock hard emulsifies fat straight into the liquid, turning a clear, clean stock permanently cloudy — there's no fixing this afterward by straining alone. Once fat is emulsified in, it stays emulsified. Keep it at a bare simmer the entire time, full stop.

Brown Stock (Fond Brun)

A brown stock is deeper in colour and flavour — the base for Chapter 5's espagnole and Chapter 7's braise, where a stronger, more assertive backbone is exactly what's wanted.

  1. Roast the bones first Roast the bones in a hot oven until deeply browned — real Maillard-reaction colour and flavour, the same chemistry behind a seared crust on meat.
  2. Roast the mirepoix alongside, toward the end Add the roughly-cut mirepoix to the same roasting pan partway through, so it browns too without burning before the bones are ready.
  3. Deglaze the roasting pan Once out of the oven, deglaze the pan with a little water or stock, scraping up every browned bit stuck to the bottom — that fond (the browned residue, not the stock itself) carries real, concentrated flavour straight into the pot.
  4. Simmer exactly as for a white stock Combine the roasted bones, mirepoix, and deglazing liquid with fresh water and a bouquet garni, then simmer gently for hours, skimming regularly — the same patient, never-boil-hard rule applies here too.
Why roast for brown, but blanch for white The two stocks are built for opposite goals. A brown stock wants colour and deep, roasted flavour — exactly what browning the bones and mirepoix delivers. A white stock wants to stay pale and delicate, since it's headed for equally pale, delicate sauces — so its bones are blanched clean instead, never browned at all. Same basic method underneath; the one real fork in the road is whether the bones ever see direct, high heat.

Straining & Cooling

Strain the finished stock through Chapter 1's fine-mesh sieve, discarding the spent bones, mirepoix, and bouquet garni. Cool it quickly rather than leaving it at room temperature for a long stretch — an ice bath, or simply dividing it into smaller, shallower containers, brings it down to a safe temperature far faster than one large pot cooling slowly on the counter.

Kitchen Practice

Kitchen Practice 1
Make a basic white chicken stock — blanching the bones first, then simmering gently with a rough mirepoix and a bouquet garni for at least a couple of hours, skimming as you go.
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Kitchen Practice 2
Make a small batch of brown stock, roasting bones and mirepoix together and deglazing the pan before simmering. Compare its colour and aroma directly against Kitchen Practice 1's white stock.
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Kitchen Practice 3
Deliberately boil a small portion of stock hard for a few minutes, rather than keeping it at a bare simmer, and compare its clarity once cooled against a portion that was properly simmered gently the whole time.
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Quick Reference — Stocks (Fond)

  • Mirepoix: onion, carrot, celery, roughly 2:1:1 by weight, cut roughly since it's strained out
  • White stock: bones blanched first, everything else added raw, simmered gently
  • Brown stock: bones and mirepoix roasted first, the roasting pan deglazed and added in
  • Never let a stock boil hard — it emulsifies fat into the liquid and permanently clouds it
  • Strain, then cool quickly — an ice bath or shallow containers, not one large pot left on the counter
Next — Chapter 4: Roux & the Mother Sauces I: Béchamel & Velouté
Building a roux to the right stage, and thickening it with milk versus this chapter's own stock.