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Dessert

German Sponge Cakes

A light sponge cake flavored with lemon, made from eggs, sugar, butter, flour, and lemon zest.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Butter and flour 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 ↓

German Sponge Cakes

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 350°F (175°C).

Make the batter

  1. Beat the eggs and sugar together until well combined.

  2. Cream the butter in a separate bowl.

  3. Stir the lemon juice and grated rind into the creamed butter.

  4. Add the flour to the butter mixture, then fold in the beaten eggs and sugar.

Bake

  1. Fill small well-buttered molds with the batter.

  2. Bake in the preheated oven 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 + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  5. Flour + lemontop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Eggs
Beaten eggs add structure and lift, setting the crumb as the cake bakes.
Butter
Creamed butter adds richness and a tender texture to the crumb.
Flour
Flour provides the structure that holds the sponge together as it sets.
Sugar
Sugar adds sweetness and helps the batter hold air when beaten with the eggs.
Lemon juice and rind
Lemon adds acidity and aroma that brighten the sweet, rich batter.

The step that matters

Folding in the beaten eggs and sugar. Folding gently keeps the air beaten into the eggs and sugar. Overmixing or stirring vigorously knocks out this air, leaving a denser cake that rises less in the oven.

Swap the lemon

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

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits about as well
  4. Lemonthe original

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