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 ↓
Caramel Cake
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the cake
Preheat the oven to 350°F (175°C).
In a large bowl, mix the sugar, butter, milk, flour, eggs, baking soda, and cream of tartar until well combined.
Pour the batter into prepared cake pans and bake until a toothpick comes out clean.
Make the filling
For the filling, combine the burned sugar, milk, butter, browned flour, and cold water in a saucepan.
Boil the mixture for 5 minutes, then add the ground almonds.
Continue boiling until the mixture thickens to a custard-like consistency.
Add a pinch of baking soda, stir well, and remove from heat.
Once cooled, spread the filling between the layers of cake.
Finish
Ice the cake with almond icing.
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 + 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).
-
Butter + almondtop 11% of all pairsSmell alikemoderateCooked together9,245 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Bind the batter and add structure as they set during baking.
- Flour
- Forms the main structure of the cake crumb.
- Butter
- Adds fat for tenderness and a rich flavor.
- Sugar
- Sweetens the cake and helps it brown and keep moisture.
- Baking soda
- Reacts with the acid in the batter to help it rise.
- Cream of tartar
- Acidic ingredient that works with baking soda to lighten the crumb.
The step that matters
Thickening the filling. The filling must be boiled until it thickens to a custard-like consistency before cooling. Under-cooked filling stays runny and soaks into the layers, while over-cooked filling turns stiff and sugary once cool.
“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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