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Sauce

Parsley-and-fennel Sauce

A sauce made from boiled parsley and fennel, mixed with mint leaves and melted butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Parsley and fennel match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 625 recipes. Both carry myristicin, which smells spice, warm. The science ↓

Parsley-and-fennel Sauce

Ingredients

Directions

Prepare the herbs

  1. Wash the parsley, fennel, and mint thoroughly.

  2. Tie the herbs into a bundle and boil in salted water for about 10 minutes.

  3. Remove the herbs, drain them, and separate the leaves from the stems.

Make the sauce

  1. Chop or mince the leaves finely and mix with melted butter.

  2. Warm the mixture gently and pour it into a warm sauce-tureen.

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. Parsley + fenneltop 1% of all pairs
    Smell alikestrong
    Cooked together625 recipes

    Shared aroma: myristicin (spice, warm).

  2. Parsley + minttop 7% of all pairs
    Smell alikemoderate
    Cooked together1,198 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  3. Fennel + minttop 7% of all pairs
    Smell alikemoderate
    Cooked together168 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  4. Parsley + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together28,563 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

  5. Mint + buttertop 26% of all pairs
    Smell alikelow
    Cooked together1,559 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

What each ingredient does

Parsley
Provides the main green flavour and body to the sauce.
Fennel
Adds a light, aromatic anise note that balances the herbs.
Melted butter
Carries the chopped herbs and adds richness and a smooth texture.

The step that matters

Warm the mixture gently. Gentle heat keeps the butter emulsified and the herbs bright green; overheating can make the butter separate and the herbs turn dull and bitter.

Swap the mint

How well each one fits the dish's main ingredients (parsley, fennel, butter):

  1. Tarragonfits better
  2. Thymefits better
  3. Dillfits better
  4. Mintthe original

Fit is the average pairing score against parsley, fennel, butter. 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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