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 ↓
Washington 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
Preheat the oven to 350°F (175°C).
Butter and line your pan with parchment paper.
Make the batter
Beat the butter and sugar until light and fluffy.
Add the cream and one-fourth of the flour, mixing well.
Whisk the eggs until thick, then gradually stir them into the mixture.
Add the remaining flour, spices, and wine alternately, mixing well.
Stir in the fruit until evenly distributed.
Bake
Pour the batter into the pan, smoothing the top.
Bake in the preheated oven until a 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.
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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + creamtop 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).
-
Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 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
- Eggs
- Whisked eggs add structure and lift, helping the cake set and hold its crumb.
- Butter
- Creamed with sugar, it traps air and gives the cake a tender, rich texture.
- Flour
- Its proteins set during baking, giving the cake its structure.
- Sugar
- Beaten with butter to aid aeration and adds sweetness and browning.
- Raisins
- Chewy dried fruit adds sweetness and moisture throughout the cake.
- Currants
- Dried fruit that adds sweetness, moisture and chewy texture throughout the cake.
The step that matters
Whisking the eggs and folding them in gradually. Whisked eggs trap air that helps the cake rise. Adding them gradually, rather than all at once, keeps the batter emulsified and prevents it from curdling or deflating, so the crumb stays even.
Swap the currant
How well each one fits the dish's main ingredients (butter, sugar, flour, egg, cream, wine, raisin):
- Vanillafits better
- Figfits better
- Lemonfits better
- Currantthe original
Fit is the average pairing score against butter, sugar, flour, egg, cream, wine, 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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