Why it works: Raisin and flour 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 ↓
Dried Apple Fruit 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 the fruit
Soak the dried apples overnight in cold water.
Heat the apples through, then skim them out and chop finely.
In a pot, combine the chopped apples with molasses and stew until almost soft.
Make the batter and bake
Add sugar, raisins, sour milk, and dissolved baking soda to the pot.
Mix in flour, butter, eggs, cloves, cinnamon, and ginger until well combined.
Pour the batter into a greased baking pan and bake in a moderate oven at 350°F (175°C) until done.
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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Raisin + flourtop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Apple + milktop 11% of all pairsSmell alikemoderateCooked together4,104 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Molasses + sugartop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Molasses
- Adds sweetness, moisture, and a deep, dark color and flavor to the cake.
- Baking soda
- Reacts with the acidic sour milk and molasses to release gas that lifts the batter.
- Sour milk
- Its acidity activates the baking soda and adds moisture and tenderness.
- Eggs
- Bind the batter and help set the crumb as the cake bakes.
- All-purpose flour
- Provides the structure that holds the cake together as it sets.
- Butter
- Adds fat for richness and a tender, moist texture.
The step that matters
Dissolve the baking soda fully before adding it. Baking soda must be fully dissolved and evenly mixed into the acidic sour milk and molasses mixture. It reacts with the acid to release gas that lifts the batter. Uneven distribution leaves dense spots and pockets with a soapy, bitter taste.
Swap the apple
How well each one fits the dish's main ingredients (molasses, sugar, raisin, milk, flour, butter, egg):
- Vanillafits better
- Figfits better
- Datesfits about as well
- Applethe original
Fit is the average pairing score against molasses, sugar, raisin, milk, flour, butter, egg. 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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