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 ↓
Fruit Cup 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
Cream together the butter and sugar.
Add the molasses and mix well.
Beat in the eggs one at a time.
Fold in the flour, baking soda, currants, raisins, and citron.
Stir in the spices and a little brandy.
Bake
Pour the batter into a greased cake pan.
Bake for about 1 hour and 15 minutes or until a toothpick comes out clean.
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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Currant + brandytop 7% of all pairsSmell alikelowCooked together3,057 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
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Currant + raisintop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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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
- Butter
- Creams with sugar to trap air and add richness and tender texture.
- Eggs
- Bind the batter and add structure as they set in the oven.
- Flour
- Forms the main structure of the cake as it bakes.
- Baking soda
- Reacts with the molasses acidity to help the cake rise and brown.
- Molasses
- Adds moisture, deep sweetness, and a darker color to the cake.
- Currants
- Add chewy pockets of fruit sweetness throughout the cake.
The step that matters
Folding in the dry ingredients and fruit. Folding gently keeps the air trapped in the creamed butter and sugar, so the cake rises evenly. Overmixing develops gluten in the flour, which can make the cake dense and tough.
Swap the currant
How well each one fits the dish's main ingredients (butter, sugar, molasses, flour, egg, raisin, brandy):
- Vanillafits better
- Figfits better
- Currantthe original
- Applefits about as well
Fit is the average pairing score against butter, sugar, molasses, flour, egg, raisin, brandy. 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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