Why it works: Almond and flour are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 8,673 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Everlasting Cake
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 400°F (200°C).
Heat the egg yolks and sugar together.
Make and bake the cake
Add the blanched almonds, sliced citron, and whipped egg whites.
Mix in the sifted flour until combined.
Pour the batter into well-greased dripping pans, about 1 ½ inches thick.
Bake until done, then cut slices 1 inch thick across the cake.
Finish and store
Turn each slice on its side and return to the oven for a short time.
Once cooled, store in a tin box.
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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Almond + flourtop 5% of all pairsSmell alikemoderateCooked together8,673 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).
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Sugar + almondtop 18% of all pairsSmell alikemoderateCooked together15,679 recipes
Shared aroma: 1-penten-3-one (fish, pungent).
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Egg + sugartop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, 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 yolks
- Enriches the batter with fat and helps bind it to a tender crumb.
- Egg whites
- Whipped to trap air, giving the cake lift and an open structure.
- Sifted flour
- Provides the main structure that sets as the cake bakes.
- Blanched almonds
- Add body, richness and a chewy texture to the cake.
- Sugar
- Sweetens the batter and helps the yolks thicken when heated.
- Sliced citron
- Adds candied fruit flavour and moisture throughout the cake.
The step that matters
Turning each slice on its side and drying it in the oven. Returning slices to the oven dries them out so they keep their texture for storage. Too long and they become hard, too short and they stay soft and may spoil sooner.
“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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