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Lemon Sauce

A thickened lemon sauce made from egg yolks, sugar, butter, corn starch, lemon juice and rind, and boiling water.

From an old cookbook · modernised transcription
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Lemon Sauce

Why it works: Corn and lemon are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 1,927 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Lemon Sauce

Ingredients

Directions

  1. Beat the egg yolks and sugar until light.

  2. Add the grated lemon rind and juice.

  3. Stir the mixture into the boiling water.

  4. Cook until it thickens sufficiently for 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.

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. Corn + lemontop 13% of all pairs
    Smell alikemoderate
    Cooked together1,927 recipes

    Shared aroma: 2-nonenal (fatty, green).

  2. Butter + corntop 14% of all pairs
    Smell alikemoderate
    Cooked together7,345 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

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

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

  4. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

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

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Egg yolks
Thicken the sauce and add richness as they set with gentle heat.
Sugar
Sweetens the sauce and balances the sharpness of the lemon.
Lemon juice and rind
Add bright acidity and aroma to the sauce.
Corn starch
Thickens the sauce as it heats with the boiling water.
Butter
Adds fat for a smoother, richer mouthfeel.

The step that matters

Cook until it thickens sufficiently for serving. Egg yolks and starch thicken as they heat, but overheating can curdle the yolks and leave the sauce grainy. Stop once it coats a spoon.

Swap the lemon

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

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

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