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Dessert

Sponge Loaf Cake

A light, airy cake made by whipping egg whites and yolks with sugar, flour, and flavoring, then baking in a loaf mold.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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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 ↓

Sponge Loaf Cake

Ingredients

Directions

Prepare

  1. Sift the flour and sugar together five times before measuring.

  2. Separate the eggs, placing the whites in a large bowl.

Make the batter

  1. Add salt to the egg whites and whip to a froth.

  2. Add cream of tartar to the egg whites and whip until stiff.

  3. Beat the yolks until light.

  4. Add half of the sugar to the yolks and beat for 4 minutes.

  5. Add the remaining sugar to the egg whites and beat for 4 minutes.

  6. Add flavoring and hot water to the yolks and beat for 2 minutes.

  7. Gently combine the yolk mixture with the egg whites, whipping slowly until fluffy.

  8. Sift the flour over the mixture and fold it in carefully.

Bake

  1. Pour the batter into a mold and bake for 40 minutes.

  2. Start with moderate heat for the first 10 to 20 minutes, then increase the heat.

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

    Shared aroma: isobutyraldehyde (malty, green).

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

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

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Cream + almondtop 16% of all pairs
    Smell alikemoderate
    Cooked together5,130 recipes

    Shared aroma: 2-heptanol (bitter, floral).

Egg and flour barely smell alike, yet cooks put them together in 106,462 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

Eggs
Whipped whites trap air and provide the main structure of the sponge.
Granulated sugar
Sweetens the cake and stabilizes the whipped egg whites, helping them hold their foam.
Pastry flour
Provides the light starch framework that sets the cake's crumb once baked.
Cream of tartar
Acidifies the egg whites, stabilizing the foam so it whips to a stiffer state.

The step that matters

Folding the yolk mixture into the egg whites. Whipped whites hold the air that makes the sponge rise. Combining them gently and folding the flour in carefully keeps that air from collapsing, so the cake stays light.

“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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