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Dessert

Croton Sponge-cake

A sponge cake made with sugar, flour, butter, eggs, baking soda, sweet milk, and cream of tartar.

From an old cookbook · modernised transcription
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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 ↓

Croton Sponge-cake

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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare the batter

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

  2. In a bowl, cream the butter and sugar together until light and fluffy.

  3. Add the eggs one at a time, mixing well after each addition.

  4. Dissolve the baking soda in the sweet milk and add to the mixture.

  5. Sift the flour and cream of tartar together, then gradually fold into the batter.

Bake

  1. Pour the batter into a prepared cake pan and bake for about 25-30 minutes or 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  3. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

Butter
Creams with sugar to trap air, giving the cake a light, tender crumb and rich flavour.
Eggs
Provide structure and richness, and help the batter rise and set as it bakes.
Baking soda
Reacts with the acid in the batter to release gas, helping the cake rise and brown.
Cream of tartar
Acts as an acid that works with the baking soda to lift the batter and keep the crumb tender.
Flour
Forms the main structure that sets the cake as it bakes.
Sugar
Sweetens the cake and, creamed with butter, helps create a light texture and golden colour.

The step that matters

Folding in the flour and cream of tartar. Overmixing once the flour goes in develops gluten and deflates the air trapped by creaming, leading to a tough, dense cake. Fold gently until just combined.

“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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