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Whey Butter

Whey Butter is a butter made by boiling whey and churning it with butter milk, then cooling and sealing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Whey Butter

Ingredients

Directions

Make the butter

  1. Strain the sweet milk whey from the curd through a thick cloth.

  2. Boil the whey, skim it well, and churn it with the butter milk.

  3. Place the butter in cold water or let it melt gently before the fire.

Pot and seal

  1. Pour the butter into small pots of about 3 to 4 pounds each and let it cool.

  2. Seal the pots tightly, and if for sea, brush them with a strong paste made of rosin and flour.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Whey + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together35 recipes

    Shared aroma: ethyl octanoate (fruity, wine).

  5. Whey + flourtop 18% of all pairs
    Smell alikemoderate
    Cooked together39 recipes

    Shared aroma: acetaldehyde (pungent, ethereal).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Sweet-milk whey
Forms the liquid base from which the butterfat is churned and separated.
Butter-milk
Its acidity and milk solids help the fat gather into butter during churning.
Rosin
Hardens into a sealing coat that keeps air and moisture away from the pots.
Flour
Thickens the rosin paste so it holds together and clings to the pots.

The step that matters

Seal the pots tightly. Butter goes rancid when exposed to air, light, and moisture. A tight seal limits oxidation and keeps the fat fresh, especially for a long sea voyage.

“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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