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Sauce

Hollandaise Sauce

A sauce made from butter, flour, boiling water, egg yolks, nutmeg, and lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Nutmeg and lemon match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 11,318 recipes mention both. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Hollandaise Sauce

Ingredients

Directions

  1. Melt equal amounts of butter and flour in a saucepan over medium heat until smooth.

  2. Gradually add a little boiling water while stirring.

  3. Remove from heat and slowly mix in the egg yolks.

  4. Add nutmeg and lemon juice to taste.

  5. Ensure the sauce is smooth and has the consistency of good cream.

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 aroma chemistry they share, and how many recipes mention both.

  1. Nutmeg + lemontop 5% of all pairs
    Aroma overlapstrong
    Mentioned together11,318 recipes

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

  2. Flour + nutmegtop 8% of all pairs
    Aroma overlapmoderate
    Mentioned together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + flourtop 12% of all pairs
    Aroma overlaplow
    Mentioned together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + eggtop 15% of all pairs
    Aroma overlaplow
    Mentioned together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + nutmegtop 16% of all pairs
    Aroma overlapmoderate
    Mentioned together24,377 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

Butter and flour share little aroma chemistry, yet 124,287 recipes mention both: they likely work on texture and structure more than aroma.

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

What each ingredient does

Butter
Melts with the flour to form a smooth base that gives the sauce richness.
Flour
Combines with the melted butter to form a roux that thickens the sauce.
Egg yolks
Add emulsifying proteins and richness, thickening the sauce as they set gently.

The step that matters

Mixing in the egg yolks off the heat. Egg yolks can scramble if they meet too much heat, leaving the sauce grainy. Removing the pan from the heat and adding the yolks slowly lets them thicken gently and blend smoothly into the base.

Flavor stand-ins for the lemon

How well each one fits the dish's main ingredients (butter, flour, egg, nutmeg):

  1. Raisinbetter flavor fit
  2. Lemonthe original
  3. Vanillaabout as good a flavor fit
  4. Figabout as good a flavor fit

Fit is the average pairing score against butter, flour, egg, nutmeg. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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