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 ↓
Summer Fruit Cake
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 300°F (150°C).
Make the batter
In a large bowl, cream together the brown sugar and butter.
Add the buttermilk and baking soda, mixing well.
Gradually stir in the flour until combined.
Fold in the currants, raisins, molasses, cinnamon, ginger, allspice, and cloves.
Bake
Pour the batter into a greased baking pan.
Bake slowly until a toothpick inserted in the center 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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Raisin + cinnamontop 1% of all pairsSmell alikemoderateCooked together5,390 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
-
Buttermilk + flourtop 8% of all pairsSmell alikemoderateCooked together3,721 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Flour + cinnamontop 9% of all pairsSmell alikemoderateCooked together17,341 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Sugar + buttermilktop 9% of all pairsSmell alikestrongCooked together2,973 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Flour
- Forms the structure that holds the cake together as it bakes.
- Buttermilk
- Adds moisture and acidity, which reacts with the baking soda to help the cake rise.
- Baking soda
- Reacts with the acidic buttermilk to produce gas that lightens the batter.
- Brown sugar
- Adds sweetness, moisture, and a caramel flavor, and helps the cake brown.
- Butter
- Adds fat that tenderizes the crumb and carries flavor.
- Molasses
- Adds moisture, dark color, and a deep, slightly bitter sweetness.
The step that matters
Bake slowly until a toothpick comes out clean. Low oven heat cooks a dense, fruit-filled batter through without drying or burning the outside. Stopping too early leaves the centre wet, so test in the middle before removing the cake.
Swap the currant
How well each one fits the dish's main ingredients (sugar, butter, buttermilk, flour, raisin, molasses, cinnamon):
- Vanillafits better
- Figfits better
- Applefits better
- Currantthe original
Fit is the average pairing score against sugar, butter, buttermilk, flour, raisin, molasses, cinnamon. 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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