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Dessert

Ginger Rock Cakes

A small, sweet cake made with flour, crystallised ginger, butter, sugar, baking powder, ground ginger, and egg.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Ginger Rock Cakes

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.

Prepare

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

  2. Rub the butter into the flour.

Make and bake

  1. Add the chopped crystallised ginger, sugar, baking powder, ground ginger, and a pinch of salt.

  2. Beat the egg and mix it into the dry ingredients to form a stiff paste.

  3. Place small heaps of the mixture on a greased baking sheet.

  4. Bake for 10 to 15 minutes.

  5. Dust with sugar before serving.

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 + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Flour + gingertop 15% of all pairs
    Smell alikemoderate
    Cooked together8,564 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

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 structure that holds the cakes together as they bake.
Butter
Adds fat that makes the texture short and tender once rubbed into the flour.
Egg
Binds the mixture and adds moisture and structure to the stiff paste.
Baking powder
Releases gas in the oven so the cakes rise and lighten.
Crystallised ginger
Adds sweetness and a bright, spicy flavour throughout the cakes.

The step that matters

Forming the stiff paste. The egg must be mixed in just until the paste holds together. Overmixing develops gluten in the flour and makes the rock cakes tough, while too wet a paste spreads out instead of holding its rough heaped shape in the oven.

Swap the ginger

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

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

Fit is the average pairing score against flour, butter, sugar, egg. 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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