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Lemon Whey

A beverage made by boiling milk and water, adding lemon juice, sugar rubbed on rinds, and strained.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Lemon Whey

Why it works: Milk and lemon 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 Whey

Ingredients

Directions

  1. Boil the milk and water together.

  2. Add the lemon juice and let it simmer for 5 minutes.

  3. Rub the sugar on the lemon rinds and add it to the mixture.

  4. Strain the whey before serving.

  5. Serve warm.

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. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

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

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

  3. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

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

Milk
Provides the proteins that curdle with lemon juice, leaving clear whey behind.
Lemon juice
Acidity curdles the milk, separating curds from the liquid whey.
Sugar
Adds sweetness and mild lemon aroma when rubbed on the rinds.

The step that matters

Adding the lemon juice and simmering. Too little acid or too brief a simmer leaves the milk uncurdled, so the whey will be cloudy and weak. Gentle simmering lets the curds firm and separate cleanly from the liquid.

Swap the lemon

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

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

Fit is the average pairing score against milk, sugar. 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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