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Dessert

Banana Sponge

A gelatin dessert with lemon jelly and banana pulp, finished as snow pudding.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Lemon and banana are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 1,134 recipes. Both carry 1-octen-3-ol, which smells mushroom, earthy. The science ↓

Banana Sponge

Ingredients

Directions

Prepare and chill

  1. Prepare the first five ingredients as Lemon Jelly.

  2. Chill the mixture, stirring occasionally.

Whip and finish

  1. When it is partly set, add the banana pulp and beat until foamy.

  2. Finish the dessert as Snow Pudding.

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. Lemon + bananatop 16% of all pairs
    Smell alikemoderate
    Cooked together1,134 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

  2. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

  3. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  4. Sugar + bananatop 19% of all pairs
    Smell alikelow
    Cooked together3,102 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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

Gelatine
Sets the liquid into a soft, wobbly jelly as it cools.
Egg whites
Whipped into foam, they lighten the texture of the set mixture.
Sugar
Sweetens the jelly and balances the tartness of the lemon juice.
Lemon juice
Adds acidity that brightens the flavour and cuts the sweetness.
Banana pulp
Gives banana flavour and a little body to the jelly.

The step that matters

Adding the banana pulp and beating while partly set. Gelatine sets as it cools. If the mixture is still too runny, the banana pulp will not stay evenly suspended and the foam will collapse. If it has set fully, it cannot be beaten to a light foam. Partly set gives enough body to hold air.

Swap the banana

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

  1. Orangefits better
  2. Vanillafits better
  3. Limefits better
  4. Bananathe original

Fit is the average pairing score against sugar, lemon, egg. 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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