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Dessert

Hard Biscuits

A simple biscuit made from flour, butter, skim milk, and salt, 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

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the dough

  1. Work the flour into a stiff paste with the butter and enough skim milk to make it stiff.

  2. Add a little salt and beat the mixture with a rolling pin until very smooth.

Shape and bake

  1. Roll the dough thin and cut it into round biscuits.

  2. Bake the biscuits at 400°F (200°C) for five to six 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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter 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 main structure of the dough once mixed with liquid.
Butter
Adds fat, which tenderizes the dough and contributes richness to the biscuits.
Skim milk
Hydrates the flour so the dough can form and bind together.

The step that matters

Beating the dough smooth with a rolling pin. Working the dough develops gluten, which makes biscuits tougher. Beating until very smooth is meant to build structure, so the dough should be handled with care and not overworked beyond what the recipe calls for.

“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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