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Dessert

Treacle Cookies

A sweet cookie made with treacle, brown sugar, lard, ginger, baking soda, salt, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Sugar and flour are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 92,116 recipes. Both carry phenylacetaldehyde, which smells hawthorne, honey. The science ↓

Treacle Cookies

Oven, in the book's wordsA quick oven

Ingredients

Directions

The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. In a bowl, beat together the treacle, brown sugar, lard, baking soda, and ginger.

  2. Pour in the boiling water and mix in enough flour to form a dough.

Shape and bake

  1. Roll the dough to about ¾ inch thick and cut into round cookies.

  2. Bake in a preheated oven at 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. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  2. Ginger + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together8,564 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + gingertop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

Sugar and ginger barely smell alike, yet cooks put them together in 14,054 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

Treacle
Adds dark sweetness, rich flavour and moisture to the dough.
Brown sugar
Adds sweetness and moisture, and helps the cookies brown.
Lard
Provides fat that tenderises the dough and gives a short texture.
Baking soda
Reacts with the acidic treacle to lift the cookies and aid browning.
Flour
Provides the structure that holds the dough together once shaped.

The step that matters

Mixing in the flour. Adding flour gradually until the dough just holds together keeps the cookies tender. Too much flour makes them dry and tough, since gluten and starch set the texture.

Swap the ginger

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

  1. Jalapenofits better
  2. Cinnamonfits better
  3. Nutmegfits better
  4. Gingerthe original

Fit is the average pairing score against sugar, flour. 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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