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Dessert

Orange Rock Cakes

A small, orange-flavored cake baked in a 400°F oven.

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 ↓

Orange Rock Cakes

Oven, in the book's wordsA sharp oven

Ingredients

Directions

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

Prepare

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

  2. In a bowl, combine the flour, sugar, and baking powder.

  3. Rub in the butter until the mixture resembles breadcrumbs.

Make the dough

  1. Add the grated rind and juice of the orange, along with the beaten egg.

  2. Mix everything together until well combined.

Bake

  1. Spoon pieces of the mixture onto a buttered baking sheet, about the size of a large walnut.

  2. Bake for 10 to 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. 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 + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: decanal (soap, orange peel).

  5. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

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 of the cakes as its proteins set during baking.
Butter
Rubbed into the flour to tenderise the crumb and add richness.
Egg
Binds the mixture together and adds structure and moisture.
Baking powder
Releases gas during baking so the cakes rise and lighten.
Sugar
Adds sweetness and helps the cakes brown as they bake.
Orange
Its rind adds aroma and its juice adds moisture and bright acidity.

The step that matters

Rubbing in the butter. Work the butter in lightly until the mixture looks like breadcrumbs. Overworking it develops gluten and makes the cakes tough, while leaving lumps of butter gives uneven texture.

Swap the orange

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

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

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