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Dessert

Rock Cakes

A sweet cake made with flour, currants, sugar, candied peel, baking powder, nutmeg or ginger, egg, clarified dripping, milk, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Rock Cakes

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 ↓

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. Grease a baking tin with dripping.

  3. Clean the currants by rubbing them in a cloth.

  4. Chop the candied peel.

Make the dough

  1. In a bowl, combine flour, baking powder, and salt.

  2. Rub in the clarified dripping until no lumps remain.

  3. Add the currants, nutmeg or ginger, and sugar to the flour mixture.

  4. Mix the candied peel into the mixture with a wooden spoon.

  5. Beat the egg with the milk in a cup.

  6. Mix the egg mixture into the rest of the ingredients.

Shape and bake

  1. Divide the mixture into small dough heaps.

  2. Place the dough heaps on the tin.

  3. Bake for about 10 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.

Photo for illustrative purposes only · Contact us to use it

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 + nutmegtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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
Forms the structure of the dough as its main protein-based framework.
Clarified dripping
Rubbed into the flour to add richness and a short, crumbly texture.
Egg
Binds the dough and adds moisture and structure.
Baking powder
Releases gas in the dough so the cakes rise and lighten.
Sugar
Adds sweetness and helps the cakes brown lightly in the oven.
Currants
Provide sweetness, chewy texture, and fruity flavor throughout the cakes.

The step that matters

Rubbing in the dripping. Rubbing fat into flour until no lumps remain coats the flour particles, limiting gluten development and giving a crumbly, tender texture. Stopping early leaves lumps of fat that bake unevenly.

Swap the currant

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

  1. Vanillafits better
  2. Raisinfits better
  3. Figfits better
  4. Currantthe original

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