Why it works: Flour and almond 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 ↓
Princess 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
Shred the peel into thin strips and place in a bowl.
Clean the fruit and add it to the peel.
Blanch, peel, and chop the almonds, then add them to the bowl.
Make the batter
Cream the butter and sugar together until soft.
Add the eggs one at a time, beating each in thoroughly.
Sift the flour and baking powder together, then stir into the mixture.
Assemble and bake
Line a cake tin with paper and pour half of the mixture into it.
Layer the mixed fruit on top, then add the remaining mixture.
Press down to level it and bake in a moderate oven at 350°F (175°C) for about 1.5 hours.
Once done, turn the cake onto a wire rack to cool.
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 + almondtop 5% of all pairsSmell alikemoderateCooked together8,673 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + almondtop 11% of all pairsSmell alikemoderateCooked together9,245 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 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
- Butter
- Creaming with sugar traps air, giving the cake a tender, fine-textured crumb.
- Eggs
- Bind the batter and add structure and richness as they set in the oven.
- Flour
- Forms the cake's main structure once heated and set.
- Baking powder
- Releases gas in the batter, helping the cake rise during baking.
- Currants
- Add concentrated sweetness and chewy texture throughout the cake.
- Sultanas
- Add sweetness and chewy texture throughout the cake.
The step that matters
Beating the eggs in one at a time. Adding eggs gradually lets each one emulsify fully into the creamed butter and sugar. Adding them too fast can cause the mixture to curdle, which can weaken the batter's texture and rise.
Swap the currant
How well each one fits the dish's main ingredients (butter, flour, egg, almond, sugar, milk):
- Vanillafits better
- Raisinfits better
- Figfits better
- Currantthe original
Fit is the average pairing score against butter, flour, egg, almond, sugar, milk. 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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