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Dessert

Sponge Drops

Sponge drops are small, lemon-flavored cakes baked from a batter of eggs, sugar, flour, and leavening.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Cream and butter are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Sponge Drops

Oven, in the book's wordsA very quick oven

Ingredients

Directions

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

Prepare

  1. Beat the eggs and sugar until frothy.

  2. Stir in the flour mixed with cream of tartar and baking soda, then add lemon flavoring.

  3. Butter the baking sheets.

Bake and serve

  1. Drop the mixture by teaspoonfuls, spacing them about three inches apart.

  2. Bake immediately in a very hot oven at 400°F (200°C), watching closely to prevent burning.

  3. Serve with ice cream.

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. Cream + buttertop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

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

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

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

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

Eggs
Whipped with sugar, they trap air that gives the drops their light, airy structure.
Flour
Provides the starch and structure that sets the batter into soft drops as it bakes.
Cream of tartar
Acidifies the batter so the baking soda reacts properly, helping the drops rise and stay tender.
Baking soda
Releases carbon dioxide in the batter, adding lift so the drops puff as they bake.
Sugar
Sweetens the drops and helps stabilize the beaten eggs into a frothy foam.

The step that matters

Bake immediately in a very hot oven. The leavening reacts as soon as the batter is mixed, so waiting lets gas escape and the drops spread or rise poorly. The high heat sets the structure quickly and the drops can scorch if left unattended.

Swap the lemon

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

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

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