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 ↓
Blueberry Cake
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the batter
Beat together the egg and sugar until well combined.
Add the melted butter and milk, mixing thoroughly.
In a separate bowl, combine the flour, salt, and baking powder.
Gradually stir the dry ingredients into the wet mixture.
Gently fold in the blueberries.
Bake
Pour the batter into two greased shallow pans.
Bake in a 400°F (200°C) oven for about 35 minutes.
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 + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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).
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
- Egg
- Binds the batter and adds structure as it sets in the oven.
- Sugar
- Adds sweetness and helps the cake brown during baking.
- Butter
- Adds fat for a tender crumb and rich flavor.
- Flour
- Forms the main structure of the cake as its proteins set with heat.
- Baking powder
- Releases gas in the batter so the cake rises and becomes light.
- Blueberries
- Add moisture and bursts of fruit flavor throughout the cake.
The step that matters
Gradually stir the dry ingredients into the wet mixture. Overmixing once flour meets liquid develops gluten, which can make the cake tough. Stirring gently until just combined keeps the crumb tender.
“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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