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Lemon Cordial

A lemon cordial made with lemons, brandy, sugar, and milk.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Lemon and milk are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 19,053 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Lemon Cordial

Ingredients

Directions

Infuse the rind

  1. Remove the yellow rind from the lemons and add it to the brandy.

  2. Let it steep for at least 12 hours or overnight.

Combine with sugar and juice

  1. Break the sugar into a vessel and squeeze the lemon juice over it.

  2. Let it stand overnight.

  3. Mix the brandy and lemon mixture with the sugar and lemon juice.

Clarify and age

  1. Boil the milk and pour it hot into the mixture.

  2. Cover and let it sit for 8 days, stirring daily.

  3. Strain the mixture through a flannel bag until clear.

  4. Let it sit for 6 weeks in a glass jar, then bottle it.

  5. For extra clarity, filter through fine muslin or white blotting paper.

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. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  2. Brandy + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together3,738 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  3. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  4. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Brandy + sugartop 19% of all pairs
    Smell alikelow
    Cooked together11,939 recipes

    Shared aroma: beta-damascenone (apple, rose).

Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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

Lemons
Rind supplies aromatic oils and juice supplies the sharp acidity.
White brandy
Acts as the alcoholic base that extracts flavour from the rind and keeps the cordial stable.
Loaf sugar
Provides sweetness and body to balance the lemon's acidity.
Milk
Hot milk binds with particles in the mixture so they settle out, helping it clarify.

The step that matters

Boiling the milk and pouring it hot into the mixture. Hot milk coagulates and carries suspended particles down as it cools, so the cordial clears. Adding it cold or unheated gives a cloudier result that is harder to strain.

Swap the lemon

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

  1. Vanillafits better
  2. Figfits better
  3. Apricotfits better
  4. Lemonthe original

Fit is the average pairing score against brandy, sugar, milk. 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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