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Sauce

Lemon Sauce

A sweet lemon sauce made with butter, sugar, egg, lemon juice and zest, nutmeg, and boiled water, cooked over a bain‑marie.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Lemon Sauce

Why it works: Lemon and nutmeg match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 11,318 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Lemon Sauce

Ingredients

Directions

Make the base

  1. Cream the butter and sugar together.

  2. Beat in the egg until very light.

  3. Add the lemon juice, lemon zest, and nutmeg.

  4. Beat the mixture hard.

Add water and heat

  1. Gradually add the boiling water.

  2. Place the mixture in a tin pail and set it over a boiling teakettle.

  3. Heat until very hot, stirring constantly.

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.

Photo for illustrative purposes only · Contact us to use it

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. Lemon + nutmegtop 5% of all pairs
    Smell alikestrong
    Cooked together11,318 recipes

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

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

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

    Shared aroma: decanal (soap, orange peel).

  5. Egg + nutmegtop 17% of all pairs
    Smell alikelow
    Cooked together24,744 recipes

    Shared aroma: acetic acid (sour, vinegar).

Egg and nutmeg 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

Butter
Creaming with sugar traps air and gives the sauce a rich, smooth body.
Sugar
Sweetens the sauce and helps hold air in the butter when creamed.
Egg
Adds structure and emulsifies the fat, thickening the sauce as it heats.
Lemon juice and zest
Juice adds sharp acidity; zest adds bright lemon aroma.
Nutmeg
Contributes warm, aromatic spice flavour to the sauce.

The step that matters

Heat until very hot, stirring constantly. The egg proteins thicken the sauce as it heats, but uneven or excessive heat can curdle or scramble them. Constant stirring spreads heat evenly so the sauce thickens smoothly.

Swap the lemon

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

  1. Vanillafits about as well
  2. Lemonthe original
  3. Raisinfits about as well
  4. Figfits about as well

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