Why it works: Flour and buttermilk are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 3,721 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Buttermilk Cake
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 350°F (175°C).
Make the batter
Beat the sugar and dripping (or butter) until creamy.
Gradually add the flour and buttermilk, mixing well.
Dissolve the baking soda in the buttermilk before adding it to the mixture.
Fold in the sultanas and lemon peel last.
Bake
Pour the batter into a greased cake pan and bake for 1 hour.
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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Flour + buttermilktop 8% of all pairsSmell alikemoderateCooked together3,721 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Sugar + buttermilktop 9% of all pairsSmell alikestrongCooked together2,973 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
Flour and butter 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
- Flour
- Provides the structure that holds the cake together as it bakes.
- Sugar
- Adds sweetness and helps create a tender crumb when beaten with fat.
- Dripping (or unsalted butter)
- Adds fat for richness and tenderness, and carries flavour through the cake.
- Buttermilk
- Adds moisture and acidity, and reacts with the baking soda to help the cake rise.
- Baking soda
- Reacts with the acidic buttermilk to release carbon dioxide, which lifts the batter.
The step that matters
Dissolve the baking soda in the buttermilk first. Baking soda needs an acid, such as buttermilk, to release carbon dioxide. Dissolving it before mixing spreads it evenly through the batter, so the cake rises evenly without pockets or bitter patches.
Swap the lemon
How well each one fits the dish's main ingredients (flour, sugar, butter, buttermilk):
- Raisinfits better
- Vanillafits better
- Figfits about as well
- Lemonthe original
Fit is the average pairing score against flour, sugar, butter, buttermilk. 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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