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 ↓
Coffee 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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat oven to 350°F (175°C).
Make the batter
In a large bowl, cream butter and sugar until light and fluffy.
Add eggs one at a time, mixing well after each addition.
Stir in strong coffee and mix until combined.
Gradually add flour and spices, mixing until just combined.
Fold in raisins.
Bake
Pour batter into greased baking pan and bake 30‑40 minutes, or until 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.
-
Raisin + flourtop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Sugar + raisintop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
-
Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 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
- Flour
- Forms the structure that holds the cake together as it bakes.
- Eggs
- Bind the batter and add structure and richness to the crumb.
- Butter
- Creams with sugar to trap air and adds fat for a tender texture.
- Sugar
- Sweetens the cake and helps create a light, fluffy creamed base.
- Strong coffee
- Adds moisture and a deep, roasted aroma to the batter.
- Raisins
- Add chewy pockets of sweetness distributed through the cake.
The step that matters
Mixing the flour in gently. Once flour meets liquid, gluten begins to form; overmixing after adding flour develops too much gluten, which makes the cake tough and dense. Mix only until combined.
Swap the raisin
How well each one fits the dish's main ingredients (coffee, sugar, butter, egg, flour):
- Vanillafits about as well
- Raisinthe original
- Figfits less well
- Bananafits less well
Fit is the average pairing score against coffee, sugar, butter, egg, flour. 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.
More coffee cake recipes
You might also like
Coffee Ice Cream91 recipes
Coffee Custard27 recipes
Coffee Bavarian Cream14 recipes
Coffee Pudding10 recipesThe free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.