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 ↓
Tennis Cake
Ingredients
Directions
Prepare the batter
Preheat the oven to 375°F (190°C).
Line two 2‑lb bread tins with paper.
Cream the butter and sugar together until light and fluffy.
Beat in the eggs one at a time, mixing well after each addition.
Gradually mix in the flour.
Add the chopped citron peel, currants, cherries, and chopped almonds.
Divide the mixture evenly between the prepared tins.
Bake and cool
Bake for one hour.
Allow the cakes to cool completely.
Decorate
Glaze the tops with apricot puree.
Evenly cover with half of the almond paste.
Top with fondant icing.
Decorate the edge with royal icing.
Write the word 'Tennis' in pale green or pink icing to finish.
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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Almond + apricottop 5% of all pairsSmell alikestrongCooked together852 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
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).
-
Currant + apricottop 15% of all pairsSmell alikelowCooked together188 recipes
Shared aroma: isoamyl acetate (banana, pear).
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
- Creams with sugar to trap air, giving a light, tender crumb and rich flavour.
- Eggs
- Bind the batter and add structure and richness as they set in the oven.
- Flour
- Forms the main structure of the cake as its proteins set during baking.
- Sugar
- Sweetens the cake and, creamed with butter, helps create a light texture.
- Currants
- Add chewy texture and sweetness throughout the cake.
- Almond paste
- Adds sweetness, moisture and a rich almond flavour under the icing.
The step that matters
Cream the butter and sugar until light and fluffy. Beating air into the butter and sugar creates the base structure of the cake. Under-creaming leaves a dense, heavy crumb, while adding the eggs too quickly can split the batter.
Swap the currant
How well each one fits the dish's main ingredients (butter, sugar, egg, flour, almond, apricot):
- Vanillafits better
- Raisinfits better
- Figfits better
- Currantthe original
Fit is the average pairing score against butter, sugar, egg, flour, almond, apricot. 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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