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Dessert

Soda Biscuit

A quick, fluffy biscuit made with baking powder, butter, and milk.

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 ↓

Soda Biscuit

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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat the oven to 400°F (200°C).

  2. In a bowl, mix flour, baking powder, and salt.

  3. Cut in the butter until the mixture resembles coarse crumbs.

Make and shape the dough

  1. Stir in the milk until just combined.

  2. Turn the dough onto a floured surface and knead gently.

  3. Roll out to ½ inch thick and cut into rounds.

Bake

  1. Place on a baking sheet and bake for 12-15 minutes 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. 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

All-purpose flour
Provides the main structure once hydrated and gently worked into dough.
Baking powder
Releases gas during baking, lifting the biscuits to make them rise and become light.
Butter
Cut into the flour to create layers and a tender, crumbly texture.
Milk
Hydrates the flour to form dough and adds richness and browning.

The step that matters

Knead gently. Overworking the dough develops too much gluten, making the biscuits tough instead of tender. Mix only until just combined and handle the dough lightly.

“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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