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 ↓
Ribbon 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).
Sift together the flour and baking powder three times.
Cream the butter and sugar together.
Add the water and flour mixture to the creamed mixture.
Fold in the beaten egg whites gently.
Divide the batter into three parts.
Flavor and bake the layers
To the first part, add melted chocolate and vanilla.
To the second part, add a little fruit coloring and rose extract.
Leave the third part white and flavor with lemon.
Bake the layers until done.
Make the filling and icing
For the filling and icing, boil sugar and water until it spins a thread.
Gradually beat the syrup into the beaten egg whites.
When cold, spread some frosting over the fruit and nuts between the layers.
Frost the top with the remaining icing.
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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Sugar + raisintop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Rose + lemontop 13% of all pairsSmell alikelowCooked together1,174 recipes
Shared aroma: decanal (soap, orange peel).
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
- Pastry flour
- Provides the structure that holds the layers together after baking.
- Baking powder
- Releases gas in the batter so the layers rise and stay light.
- Butter
- Adds richness and tenderness to the crumb.
- Egg whites
- Whipped into the batter and icing to add lift and a light, airy texture.
- Sugar
- Sweetens the cake and, boiled with water, forms the syrup for the icing.
The step that matters
Gradually beat the syrup into the beaten egg whites. Pouring hot syrup in slowly while beating keeps the cooked egg white foam stable and glossy; adding it all at once can deflate the foam or cook it unevenly.
Swap the lemon
How well each one fits the dish's main ingredients (flour, sugar, butter, egg, chocolate, rose, raisin):
- Vanillafits better
- Figfits better
- Coconutfits better
- Lemonthe original
Fit is the average pairing score against flour, sugar, butter, egg, chocolate, rose, 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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