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 ↓
Centennial 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.
Make the batter
Preheat the oven to 350°F (175°C).
Beat the 4 eggs until very light.
Add 1½ cups of sugar and beat for 2 minutes.
Sift 1 teaspoon of cream of tartar into 1 cup of flour and beat for 2 minutes.
Add ½ cup of cold water and beat for 2 minutes.
Add another cup of flour with ½ teaspoon of baking soda sifted through and beat for 2 minutes.
Finally, add ⅓ cup of melted butter and beat well together.
Bake and frost
Bake in two thin sheets.
For the frosting, beat the reserved 2 egg whites to a stiff froth.
Gradually add powdered sugar until firm enough to hold a knife mark.
Add a pinch of cream of tartar to make it tender.
Spread the frosting over the cake while it's still warm.
Return the cake to the oven to set the frosting.
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.
-
Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
-
Flour + buttertop 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).
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
- Eggs
- Whipped to a light foam that gives the cake its structure and lift.
- Flour
- Forms the structure that holds the cake's airy crumb together.
- Sugar
- Sweetens the cake and helps hold moisture in the crumb.
- Cream of tartar
- Stabilises the whipped egg whites and keeps the batter light.
- Baking soda
- Reacts with the batter to help it rise and lighten.
- Melted butter
- Adds fat for richness and a tender texture.
The step that matters
Beating the egg whites for the frosting. Whites must be beaten to a stiff, stable foam; under-beaten or greasy whites will not hold their shape, and the frosting will slump or stay soft when spread.
Swap the raisin
The recipe marks raisin as optional. How well each one fits the dish's main ingredients (egg, sugar, cream, flour, butter):
- Vanillafits about as well
- Raisinthe original
- Coconutfits less well
- Figfits less well
Fit is the average pairing score against egg, sugar, cream, flour, butter. 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.
You might also like
The 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.
White Cake431 recipes
Pound Cake373 recipes
Orange Bundt Cake349 recipes
Spice Cake344 recipes