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Dessert

Abernethy Biscuits

A buttery biscuit with caraway seeds, sweetened with sugar, leavened with carbonate of ammonia.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Flour and caraway match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 1,435 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Abernethy Biscuits

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. Dissolve the butter in warm milk.

  2. Mix the flour, caraway seeds, and sugar to form a stiff but smooth paste.

  3. Add the carbonate of ammonia and mix well.

Shape and bake

  1. Roll the dough very thin, cut into shapes, and prick with a fork.

  2. Bake on tins in a hot oven (400°F / 200°C) until golden.

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. Flour + carawaytop 6% of all pairs
    Smell alikestrong
    Cooked together1,435 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

Flour
Forms the stiff paste that gives the biscuits their structure.
Butter
Adds fat that tenderises the crumb and gives a rich flavour.
Milk
Supplies the liquid that hydrates the flour and dissolves the butter into the dough.
Sugar
Adds sweetness and helps the biscuits brown as they bake.
Carbonate of ammonia
Acts as a leavening agent, releasing gas that lightens the dough as it bakes.

The step that matters

Roll the dough very thin. Thin dough dries and crisps all the way through in the oven, while thicker pieces stay doughy in the centre and bake unevenly.

Swap the caraway

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

  1. Cinnamonfits better
  2. Nutmegfits better
  3. Jalapenofits about as well
  4. Carawaythe original

Fit is the average pairing score against butter, milk, flour, 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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