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Dessert

Genoa Cake

A fruit cake with sultanas, mixed peel, lemon peel, almonds, and butter baked at 200°C.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Genoa Cake

Why it works: Flour and almond are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 8,673 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Genoa Cake

Oven, in the book's wordsA moderate oven

Ingredients

Directions

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

Prepare the fruit

  1. Prepare all the fruit before starting.

  2. Rub the sultanas with a little flour on a wire sieve to remove stalks.

  3. Chop the mixed peel and lemon peel finely.

  4. Skin and shred the almonds.

Make the cake

  1. Beat the butter until creamy.

  2. Gradually mix in the sugar until dissolved.

  3. Beat the eggs and mix them into the butter and sugar gradually.

  4. Add the flour, sultanas, mixed peel, and lemon peel.

  5. Pour into a well-buttered cake tin and bake at 400°F (200°C) for about 1.5 hours.

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. Flour + almondtop 5% of all pairs
    Smell alikemoderate
    Cooked together8,673 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Almond + lemontop 10% of all pairs
    Smell alikestrong
    Cooked together5,655 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Butter + almondtop 11% of all pairs
    Smell alikemoderate
    Cooked together9,245 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

Butter and flour 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

Butter
Creamed with sugar to trap air, giving the cake a tender, rich crumb.
Sugar
Sweetens the cake and, beaten with butter, helps create its light texture.
Eggs
Add structure and richness as they set during baking, binding the cake together.
Flour
Forms the cake's main structure once mixed in and baked.
Sultanas
Add sweetness, moisture and chewy texture to the finished cake.

The step that matters

Mixing the eggs into the butter and sugar gradually. Adding eggs slowly lets the emulsion stay smooth, so the batter holds air and does not curdle or separate, which helps the cake rise evenly.

Swap the lemon

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

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

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