Why it works: Banana and butter are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 1,536 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
Marshmallow Filling
Ingredients
Directions
Make the marshmallow
Dissolve the gelatin in a little warm water.
Add the boiling water and granulated sugar.
Beat with a fork for 30 minutes.
Flavor with banana or pineapple.
Set and use
Pour into a buttered tin the same size as your cake.
Set in a cool place until it stiffens.
Use between layers of cake with boiled icing.
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.
Photo for illustrative purposes only · Contact us to use it
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.
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Banana + buttertop 15% of all pairsSmell alikemoderateCooked together1,536 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
-
Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Sugar + bananatop 19% of all pairsSmell alikelowCooked together3,102 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Gelatin
- Sets the liquid sugar mixture into a soft, elastic marshmallow structure.
- Granulated sugar
- Adds sweetness and bulk, and helps give the filling its body.
The step that matters
Beat with a fork for 30 minutes. Beating whips air into the syrupy mixture and cools it so it thickens into a light, stable foam. Stopping early leaves a dense, runny filling that will not set properly.
Swap the banana
How well each one fits the dish's main ingredients (sugar, butter):
- Vanillafits better
- Figfits about as well
- Peachfits about as well
- Bananathe original
Fit is the average pairing score against sugar, 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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