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Dessert

Raspberry Sandwich

A cake sandwich made with eggs, butter, sugar, flour, baking powder, raspberry jam, and sprinkled with fine sugar.

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

Raspberry Sandwich

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.

Make the batter

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

  2. Melt the butter and mix the flour with the baking powder.

  3. Gently stir the flour mixture into the egg and sugar mixture.

  4. Spread the batter in a well-greased flat baking pan.

Bake and assemble

  1. Bake in a moderate oven at 350°F (175°C) until golden.

  2. Once cool, split the cake, spread raspberry jam between the layers, and sprinkle with fine sugar.

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 + raspberrytop 16% of all pairs
    Smell alikemoderate
    Cooked together1,308 recipes

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

  5. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

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
Provide structure and lift to the batter as they hold air from whisking.
Butter
Adds richness and a tender texture to the crumb.
Flour
Forms the structure that holds the cake together as it bakes.
Baking powder
Releases gas during baking, helping the cake rise and become light.
Raspberry jam
Adds fruity sweetness and moisture between the cake layers.

The step that matters

Gently stir the flour mixture into the egg and sugar mixture. Overmixing once flour is added develops gluten, which can make the cake tough. Folding gently keeps the air whisked into the eggs, so the sponge stays light.

Swap the raspberry

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

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

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