Mother sauces
Sauce Africaine
A classical French brown sauce derivative built on demi-glace, enriched with tomatoes, olives, and white wine, finished with butter. The name references the North African aromatic influence—olives and tomatoes—common to both French and Maghrebi cuisines. It belongs to the grande sauce family descended from Espagnole, serving as a foundation for multiple final preparations.

The formula
1 L demi-glace : 200 g tomatoes : 100 g green olives : 150 mL white wine : 50 g butter (monter au beurre)
The sauce is built on demi-glace as the base. Tomatoes provide body and acidity, olives contribute briny savoriness and texture, white wine adds sharpness and aromatic lift, and the final butter mount creates silk and shine.
Identity
- Built on true demi-glace, never on instant powders or substitutions
- Tomates entières or concassée, never ketchup or canned paste
- Olives de Lucques or pitted green olives in brine, never canned black olives
- White wine properly reduced before adding demi-glace
- Finished with whole butter added off the heat (monter au beurre)
- Strained through a chinois before service
Ingredients
| Base | Demi-glace (brown stock reduction) | The foundation—properly reduced veal or beef stock with Espagnole structure. Use 1 L prepared demi-glace. |
| Acid | White wine (dry, e.g., Pinot Blanc or Picpoul) | 150 mL. Must be reduced by half before adding demi-glace to eliminate raw alcohol sharpness. |
| Liquid | Peeled, seeded, concassé tomatoes (fresh, in season) or whole canned San Marzano | 200 g. Provide gentle acidity, natural pectin body, and color. Fresh are preferred; if canned, drain and rinse briefly. |
| Flavor | Pitted green olives in brine (Lucques, Picholine) | 100 g. Halved or sliced. The defining aromatic fingerprint—briny, herbal, distinctly Mediterranean. |
| Aromatics | Shallots, finely minced | 25 g. Sweated in butter before wine deglaze. Builds aromatic foundation. |
| Fat | Unsalted butter, cold, cubed | 50 g for final monter au beurre. Creates emulsion, adds shine, rounds flavor. |
| Seasoning | Fine sea salt, white pepper | Season progressively. Demi-glace already contains sodium; olives add more. |
Method
- 1Sweat shallots in 15 g butter over medium-low heat until translucent, 2–3 minutes. No color.Releases shallot sulfides and generates aromatic compounds that will be captured by the wine deglaze.
- 2Add white wine, bring to a boil, and reduce by half (to ~75 mL). This takes 3–4 minutes.Reduction concentrates flavor and fully evaporates raw ethanol; the remaining syrupy wine will integrate with the demi-glace.
- 3Add prepared demi-glace and bring to a gentle simmer. Skim any foam or fat. Cook uncovered at a bare simmer for 15 minutes.Simmering marries the wine-shallot base with the demi-glace, reduces slightly for concentration, and allows impurities to rise for skimming.
- 4Add tomato concassé and halved olives. Simmer another 10 minutes.Tomato and olive flavors infuse the sauce; gentle heat extracts pectin and fruit acids without breaking the emulsion.
- 5Strain through a chinois (fine conical strainer), pressing gently. Return to a clean pan over very low heat.Straining removes shallot bits and any tough tomato seeds or skins, yielding a perfectly smooth, refined sauce.
- 6Off heat, add cold butter cubes one by one, stirring briskly with a wooden spoon or whisk to emulsify (monter au beurre). Do not return to heat.The cold butter emulsifies into the warm-but-not-hot sauce, creating a glossy, silky suspension. Heat would break the emulsion and melt out the butter fat.
- 7Season precisely with salt and white pepper. Keep warm in a bain-marie at 60–65°C. Serve within 30 minutes.Bain-marie prevents scorching and maintains ideal serving temperature without overcooking or breaking.
Techniques that matter
Monter au beurre (mounting with butter)
The classical liant (thickener/connector) for finished brown sauces. Butter's lecithin and milk proteins create a stable emulsion, adding richness and gloss without the gristy texture of roux-based sauces.
Deglaze and reduction
Using wine to dissolve fond (the caramelized drippings and Maillard products from shallots) creates soluble flavor compounds—acids, aldehydes, furans—that integrate into the finished sauce.
Concassage of tomatoes
Peeling and seeding eliminates bitter compounds in the skin and tough pectin in the locular gel, leaving only the sweet, acidic flesh and jelly.
Variations & derivatives
Sauce aux OlivesFrance
Simpler—demi-glace with olives only, no tomato. Tomato added only when truly in season. More restrained, classically served with poultry or veal.
Africaine au CurryClassical French
A pinch (2–3 g) of Madras curry powder added with the wine reduction. Honors the 'Africaine' name's spice-trade heritage. Controversial in purist Escoffier-era kitchens but documented in Saucier manuals.
Sauce ProvençaleProvence, France
Tomato-forward brown derivative with garlic, olives, and capers. Shares Mediterranean DNA with Africaine but skips the wine reduction and uses anchovy-laced bouquet garni.
Africaine with Roasted Red PeppersModern French bistros
Add 50 g roasted, peeled, diced pimientos with the olives for sweetness and color. Common in the Lyon-Bourgogne tradition.
Used in these dishes
Substitutions
- Demi-glace → Veal stock plus equal volume of brown gravy (canned or instant) — Compromises depth and collagen structure but workable in emergency. True demi-glace has reduced 8+ hours; substitutions lack that concentration.changes result
- Fresh tomatoes → High-quality whole canned tomatoes (San Marzano-type), drained and rinsed — Acceptable when fresh are out of season. Canned are often riper and more acidic. Avoid 'stewed' or seasoned canned tomatoes.
- Green olives → Capers (rinsed) plus a few drops of lemon juice — Provides briny, acidic contrast but lacks olive's textural contribution. Use only in true emergencies.changes result
Troubleshooting
Sauce tastes flat or 'one-dimensional'
Wine not properly reduced before adding demi-glace; raw alcohol sharpness dominates. → Always reduce wine by half. If caught, add a pinch of sugar and a few drops of lemon while simmering 5 more minutes.
Butter 'breaks'—fat separates in oily streaks
Heat too high during monter au beurre, or adding butter to sauce that's too hot. → Ensure sauce is off heat and below 70°C. If broken, transfer to blender, add 1 tbsp cold water, and buzz vigorously to re-emulsify.
Olives are too salty, overpowering the sauce
Olives packed in heavy brine or not rinsed; excessive seasoning added. → Rinse olives briefly and taste before adding. If already added, add 50 mL more demi-glace or a small dice of fresh tomato to dilute.
Sauce is too thin—barely coats the back of a spoon
Demi-glace insufficiently reduced; insufficient cooking time; tomato added too late to contribute body. → Reduce sauce over high heat to desired nappe (coating) consistency, or add 15 g cold butter whisked in (adds body via emulsion).