Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Banana Cake
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.
Prepare the batter
Preheat the oven to 350°F (175°C).
Cream together the sugar and butter.
Add the sweet milk and eggs, mixing well.
In a separate bowl, combine the baking soda, cream of tartar, and sifted flour.
Gradually add the dry ingredients to the wet mixture, stirring until smooth.
Bake and assemble
Divide the batter into three layers and bake until golden.
Once cooled, slice bananas between each layer.
Sprinkle with powdered sugar and spread whipped cream on the bananas.
Frost the top with white frosting.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Milk + bananatop 11% of all pairsSmell alikemoderateCooked together1,470 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Bind the batter and add structure as they set during baking.
- Flour
- Forms the cake's structure once its proteins set in the oven.
- Butter
- Adds fat for tenderness and a rich texture.
- Sugar
- Sweetens the cake and helps it brown as it bakes.
- Baking soda
- Reacts with the acid in the cream of tartar to lift the layers.
- Cream of tartar
- Provides acidity that works with baking soda to help the cake rise.
The step that matters
Gradually add the dry ingredients to the wet mixture, stirring until smooth.. Adding dry ingredients gradually and stirring only until smooth keeps the batter evenly mixed and limits gluten development, which helps prevent a tough, dense cake.
Swap the banana
How well each one fits the dish's main ingredients (sugar, butter, milk, egg, cream, flour):
- Vanillafits better
- Raisinfits better
- Coconutfits about as well
- Bananathe original
Fit is the average pairing score against sugar, butter, milk, egg, cream, 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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