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Lemon Whey

A whey made by curdling boiling milk with lemon juice, strained and optionally diluted with water and sweetened.

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. Pour the juice of one lemon into one quart of boiling milk.

  2. When the milk has curdled, strain it through a muslin cloth.

  3. Add a little water if the whey is too acid.

  4. Sweeten slightly to taste.

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 liquid base that curdles into curds and leaves the whey behind.
Lemon juice
Acid that curdles the milk, separating the curds from the clear whey.

The step that matters

Strain the curds from the whey. Acid curdles the milk proteins, and the whey is only clear once the curds are fully separated. Straining too early leaves milk solids in the drink and makes it cloudy.

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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