Why it works: Flour and raisin match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Dolly Varden 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 the butter and sugar together until light and fluffy.
Add the milk, flour, eggs, baking powder, and lemon flavoring; mix well.
Divide the batter into two parts.
For the dark part, mix in the raisins, currants, citron, molasses, cinnamon, allspice, and cloves.
Bake and ice
Bake the two parts in three layers, ensuring the top and bottom are darker.
For the icing, beat the egg whites until stiff, then gradually add the sugar until smooth.
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 + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + raisintop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
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
- Butter
- Creams with sugar to trap air, giving the cake a light, tender crumb.
- Flour
- Forms the structure that holds the cake together as it bakes.
- Eggs
- Add structure and richness, binding the batter as they set in the oven.
- Baking powder
- Releases gas during baking, helping the layers rise and become airy.
- Raisins
- Add moisture and sweetness to the dark portion of the batter.
- Molasses
- Adds depth, moisture and a darker colour to the dark batter.
The step that matters
Beating the egg whites for the icing. Egg whites must be beaten until stiff before sugar is added gradually; under-beaten or greasy whites will not hold their volume, so the icing turns out thin and loose instead of smooth.
Swap the currant
How well each one fits the dish's main ingredients (butter, sugar, milk, flour, egg, lemon, raisin):
- Vanillafits better
- Figfits better
- Blackberryfits better
- Currantthe original
Fit is the average pairing score against butter, sugar, milk, flour, egg, lemon, raisin. 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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