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Sauce

Robert Sauce

A sauce made from collis greens, bay leaf, onion, mace, mustard, and Rhenish wine, boiled and reduced to a glaze.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Onion and mustard match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 9,259 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Robert Sauce

Ingredients

Directions

  1. Combine collis, bay leaf, sliced onion, mace, mustard, and Rhenish wine in a pot.

  2. Boil the mixture for 15 minutes.

  3. Strain the sauce and reduce it until it reaches a glaze-like consistency.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Onion + mustardtop 6% of all pairs
    Smell alikestrong
    Cooked together9,259 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Onion + macetop 17% of all pairs
    Smell alikelow
    Cooked together7,078 recipes

    Shared aroma: eugenol (clove, spicy).

  3. Onion + winetop 20% of all pairs
    Smell alikemoderate
    Cooked together7,784 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Mace + winetop 22% of all pairs
    Smell alikelow
    Cooked together1,435 recipes

    Shared aroma: myrcene (balsamic, herbaceous).

  5. Mustard + winetop 23% of all pairs
    Smell alikelow
    Cooked together1,199 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Rhenish wine
Adds acidity and liquid that reduces into a concentrated, tangy base.
Onion
Contributes sweetness and savory depth as it softens in the simmering liquid.
Mustard
Adds sharp pungency that balances the sweetness of the reduced sauce.
Mace
Provides warm aromatic flavor that infuses the liquid during boiling.

The step that matters

Reducing to a glaze-like consistency. As water evaporates, flavors concentrate and the sauce thickens quickly near the end. Reducing too far can make it overly salty, bitter or sticky, so watch closely and stop once it coats a spoon.

Swap the mace

How well each one fits the dish's main ingredients (onion, mustard, wine):

  1. Garlicfits better
  2. Capersfits better
  3. Thymefits better
  4. Macethe original

Fit is the average pairing score against onion, mustard, wine. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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