Why it works: Cocoa powder and chocolate match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 1,587 recipes mention both. Both carry 2-ethyl-3,6-dimethylpyrazine, which smells roasted, nutty. The science ↓
The recipe
Makes 20 slicesIngredients
Contains: egg, milk, wheat, tree nuts (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Heat the oven to 170°C (340°F). Line a 20cm (8in) square baking tin with baking paper.
Put the cocoa powder in a bowl, pour over the 6 tbsp boiling water and stir until smooth. Set aside to cool slightly.
Beat the butter and golden caster sugar together until pale and fluffy, about 3 minutes.
Beat in the eggs one at a time, then the full-fat milk and the cooled cocoa mixture until evenly combined.
Fold in the self-raising flour, ground almonds, baking powder and malted milk until no dry streaks remain.
Spread the batter evenly into the tin and bake for 35 to 40 minutes, until a skewer inserted in the centre comes out clean.
Leave the cake in the tin to cool completely, then spread the strawberry jam evenly over the top.
Heat the double cream in a small pan until just simmering. Put the white chocolate in a bowl, pour the hot cream over it and stir until smooth and glossy.
Pour the white chocolate ganache over the jam, spreading it to the edges, then chill for at least 1 hour until set.
Lift the cake out of the tin using the paper, cut into 20 slices and serve.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Cocoa powder + chocolatetop 2% of all pairsAroma overlapstrongMentioned together1,587 recipes
Shared aroma: 2-ethyl-3,6-dimethylpyrazine (roasted, nutty).
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Butter + milktop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + almondtop 4% of all pairsAroma overlapmoderateMentioned together8,450 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Almond + chocolatetop 4% of all pairsAroma overlapstrongMentioned together1,733 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
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Butter + almondtop 5% of all pairsAroma overlapstrongMentioned together9,198 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the strawberry jam
How well each one fits the dish's main ingredients (cocoa powder, butter, sugar, egg, milk, flour, almond):
- Vanillabetter flavor fit
- Coconutbetter flavor fit
- Raspberrybetter flavor fit
- Strawberry jamthe original
Fit is the average pairing score against cocoa powder, butter, sugar, egg, milk, flour, almond. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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