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Dessert

Hard Biscuits

A biscuit made from butter, skimmed milk, and flour, baked until crisp.

From an old cookbook · modernised transcription
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Why it works: Butter and milk 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 ↓

Hard Biscuits

Ingredients

Directions

Make the dough

  1. Warm the butter in enough skimmed milk to make a stiff paste with the flour.

  2. Beat the mixture with a rolling pin until smooth.

Shape and bake

  1. Roll the dough thin and stamp out biscuits.

  2. Prick the biscuits full of holes.

  3. Bake for 6 to 8 minutes.

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. Butter + milktop 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).

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 and gives the biscuits their structure as it sets in the oven.
Butter
Adds fat that tenderises the dough and gives a rich flavour.
Skimmed milk
Hydrates the flour so the dough binds into a stiff, rollable paste.

The step that matters

Prick the biscuits full of holes. Pricking lets steam escape during baking, so the biscuits stay flat and do not puff or blister unevenly.

“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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