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 ↓
Composition Cake
Ingredients
Directions
The book says “a cool oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the batter
Cream the butter and sugar together until light and fluffy.
Mix in the flour, currants, sultanas, peel, cream of tartar, and baking soda until well combined.
Bake
Prepare 1 or 2 square cake tins by lining them with white stiff paper.
Pour the batter into the prepared tins.
Sprinkle chopped almonds on top.
Bake in a cool oven at 300°F (150°C) for two hours or more, depending on the size of the cake.
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 + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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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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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).
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
- Creamed with sugar to trap air and give a tender, rich crumb.
- Sugar
- Sweetens the cake and creams with butter to help hold air for lightness.
- Flour
- Forms the main structure of the cake as its proteins set during baking.
- Cream of tartar
- Acidic agent that works with baking soda to help the cake rise.
- Baking soda
- Alkaline agent that reacts with acid to release gas, helping the cake rise.
The step that matters
Bake in a cool oven. A low, steady oven heat lets this large, dense, fruit-packed batter cook through evenly before the outside browns or dries. Larger cakes need the full time, so test for doneness rather than relying on the clock alone.
Swap the currant
How well each one fits the dish's main ingredients (sugar, butter, flour, cream, almond):
- Vanillafits better
- Raisinfits better
- Coconutfits better
- Currantthe original
Fit is the average pairing score against sugar, butter, flour, cream, almond. 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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