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Dessert

Banana Sponge

A light banana sponge cake made with gelatin, egg whites, and orange and lemon juice, topped with whipped cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Banana Sponge

Ingredients

Directions

Make the gelatin base

  1. Soak the gelatin in ½ cup of water for 30 minutes.

  2. Heat the soaked gelatin over hot water until melted.

  3. Add sugar, orange juice, and lemon juice to the melted gelatin; stir until the sugar dissolves.

  4. Let the mixture cool while preparing the bananas.

Add the bananas and eggs

  1. Peel the bananas and press them through a sieve to obtain 2 cups of pulp.

  2. Add the banana pulp to the gelatin mixture and place it on ice until partly congealed.

  3. Beat the egg whites until very stiff and fold them into the banana mixture until it holds its shape.

  4. Serve with whipped 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. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

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

  2. Gelatin + creamtop 7% of all pairs
    Smell alikestrong
    Cooked together1,628 recipes

    Shared aroma: acetic acid (sour, vinegar).

  3. Sugar + gelatintop 7% of all pairs
    Smell alikemoderate
    Cooked together2,778 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Banana + orangetop 8% of all pairs
    Smell alikemoderate
    Cooked together1,118 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

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

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

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Gelatin
Sets the mixture so it holds its shape as a light, sliceable dessert.
Egg whites
Whipped into foam, they create the airy, sponge-like lightness of the cake.
Bananas
Provide the main flavour and body through their pulp, which thickens the mixture.
Sugar
Sweetens the dessert and dissolves into the gelatin base before setting.

The step that matters

Folding the beaten egg whites into the banana mixture. Overbeating or deflating the whites makes the foam collapse, so the cake loses its airy structure. Fold gently and stop once the mixture holds its shape, while it is only partly set.

Swap the banana

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

  1. Vanillafits better
  2. Raspberryfits better
  3. Figfits better
  4. Bananathe original

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