Why it works: Dates and walnut work together. They rank in the top 8% of all ingredient pairs, and cooks put them together in 302 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Walnut 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
Preheat the oven to 350°F (175°C).
Make the batter
Beat the egg yolks and sugar until creamy.
Sift the flour with baking powder and stir into the mixture.
Fold in the beaten egg whites gently.
Add the chopped dates and walnuts, mixing lightly.
Bake and serve
Pour the batter into a greased baking dish and bake until golden.
Cut into squares and serve with whipped cream.
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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Dates + walnuttop 8% of all pairsSmell alikemoderateCooked together302 recipes
Shared aroma: coumarin (sweet, hay).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Flour + walnuttop 12% of all pairsSmell alikemoderateCooked together5,873 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
Egg and flour barely smell alike, yet cooks put them together in 106,462 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
- Egg whites
- Whipped whites trap air, giving the cake lift and a light, airy crumb.
- Egg yolks
- Yolks add richness and help bind the batter into a tender crumb.
- Flour
- Flour provides the structure that holds the cake together as it sets.
- Baking powder
- Releases gas in the oven, helping the cake rise and stay open-textured.
- Dates
- Add moisture and natural sweetness, keeping the cake soft and chewy.
- Walnuts
- Add crunch and a toasty, nutty flavour that contrasts the soft crumb.
The step that matters
Fold in the beaten egg whites gently. Egg whites hold air only while whipped. Vigorous stirring deflates them, so the cake loses its lift and turns dense. Gentle folding keeps the air in the batter.
Swap the dates
How well each one fits the dish's main ingredients (egg, sugar, flour, walnut, cream):
- Raisinfits better
- Vanillafits better
- Figfits better
- Datesthe original
Fit is the average pairing score against egg, sugar, flour, walnut, cream. 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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