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 ↓
Steamed Apple Pudding
Ingredients
Directions
Prepare
Preheat your steamer.
Fill a baking dish with sliced tart apples.
Make the batter
In a bowl, mix flour, sugar, butter, and baking powder.
Moisten the mixture with milk until it forms a thick batter.
Steam and serve
Spread the batter over the apples in the baking dish.
Steam for 2 hours.
Serve with sauce or cream.
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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Milk + appletop 11% of all pairsSmell alikemoderateCooked together4,104 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + appletop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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
- All-purpose flour
- Forms the starchy structure that sets the pudding once steamed.
- Sugar
- Adds sweetness and helps the crumb brown lightly.
- Butter
- Adds fat, which tenderises the crumb and gives richness.
- Baking powder
- Releases gas as it heats, lifting the batter so it becomes light.
- Milk
- Hydrates the flour into a batter and adds moisture to the crumb.
- Sliced tart apples
- Provide moisture and a sharp acidity that balances the sweet batter.
The step that matters
Keep the steam steady for the full 2 hours. Steam is the only heat source here, so if it drops or the pot boils dry, the pudding cooks unevenly. Uneven heat can leave the batter dense or gummy, and the baking powder cannot lift a batter that has not set.
Swap the apple
How well each one fits the dish's main ingredients (flour, sugar, egg, butter, milk):
- Vanillafits better
- Raisinfits better
- Figfits better
- Applethe original
Fit is the average pairing score against flour, sugar, egg, butter, milk. 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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