Why it works: Banana and milk are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 1,470 recipes. Both carry 1-octen-3-one, which smells mushroom, metallic. The science ↓
Banana Pie
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the custard
In a saucepan, combine milk, egg yolks, sugar, and flour.
Cook over medium heat, stirring constantly, until the mixture thickens.
Remove from heat and let it cool.
Assemble and bake
Pour the custard over the sliced bananas in a baked pie shell.
Whip the egg whites until stiff peaks form and spread on top of the custard.
Bake in a preheated oven at 350°F (175°C) until the top is golden brown.
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.
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Banana + milktop 11% of all pairsSmell alikemoderateCooked together1,470 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Banana + flourtop 17% of all pairsSmell alikemoderateCooked together1,725 recipes
Shared aroma: isobutyraldehyde (malty, green).
Milk and flour barely smell alike, yet cooks put them together in 78,219 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
- Egg yolks
- Thicken the custard and add richness as they set with heat.
- Flour
- Stabilizes the custard by thickening the milk mixture as it cooks.
- Egg whites
- Whipped into a meringue topping that bakes to a golden, light layer.
- Sugar
- Sweetens the custard and helps the meringue brown.
- Milk
- Forms the liquid base of the custard.
- Bananas
- Provide the fruit flavor and soft texture in the filling.
The step that matters
Cook the custard until it thickens. Stir constantly over medium heat so the egg yolks and flour thicken the milk evenly without scorching or curdling. Undercooked custard stays runny and won't hold its shape when cooled.
Swap the banana
How well each one fits the dish's main ingredients (milk, egg, sugar, flour):
- Vanillafits better
- Raisinfits better
- Figfits better
- Bananathe original
Fit is the average pairing score against milk, egg, 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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