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Sauce

Hard Sauce

A thick sauce made from sugar, butter, nutmeg, and egg white.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Butter and nutmeg are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 24,377 recipes. Both carry eucalyptol, which smells eucalyptus, herbal. The science ↓

Hard Sauce

Ingredients

Directions

Make the sauce

  1. In a bowl, combine sugar and butter. Beat until creamy, keeping the butter cool to prevent oiling.

  2. Whip the egg white to stiff peaks and gently fold it into the sugar and butter mixture.

Serve

  1. Transfer the sauce to a crystal dish and grate nutmeg over the top before serving.

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. Butter + nutmegtop 16% of all pairs
    Smell alikemoderate
    Cooked together24,377 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  2. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Nutmeg + eggtop 17% of all pairs
    Smell alikelow
    Cooked together24,744 recipes

    Shared aroma: acetic acid (sour, vinegar).

  4. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Sugar + nutmegtop 20% of all pairs
    Smell alikelow
    Cooked together23,364 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

Nutmeg and egg barely smell alike, yet cooks put them together in 24,744 recipes: they 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

Sugar
Sweetens the sauce and helps it cream smoothly with the butter.
Butter
Provides fat and body, creaming with sugar to form the sauce's base texture.
Egg white
Whipped to stiff peaks, it lightens the sauce and adds airy structure.

The step that matters

Keeping the butter cool. If the butter gets too warm while beating, it can separate and oil out instead of forming a smooth, creamy emulsion with the sugar.

Swap the nutmeg

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

  1. Cinnamonfits about as well
  2. Nutmegthe original
  3. Capersfits less well
  4. Parsleyfits less well

Fit is the average pairing score against sugar, butter, egg. 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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