Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
Chocolate Loaf 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 chocolate mixture
In a saucepan, combine grated chocolate, sugar, and egg. Cook until nearly boiling, then let cool and add vanilla.
Make the batter
In a mixing bowl, cream together sugar and butter.
Add milk, flour, egg, and baking soda to the mixture and mix well.
Incorporate the cooled chocolate mixture into the batter and mix thoroughly.
Fold in walnuts if using.
Bake
Pour the batter into a loaf pan and bake at 350°F (175°C) until a toothpick comes out clean.
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.
Photo for illustrative purposes only · Contact us to use it
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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Milk + vanillatop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Chocolate + vanillatop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
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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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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Walnut + vanillatop 10% of all pairsSmell alikestrongCooked together2,730 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Grated chocolate
- Provides the main chocolate flavour and rich, dense crumb.
- Butter
- Adds fat that makes the cake tender and rich in texture.
- Flour
- Builds the structure that holds the loaf together as it sets.
- Egg
- Binds the batter and helps it set into a firm crumb.
- Baking soda
- Reacts to lift the batter and give the loaf a lighter rise.
- Sugar
- Sweetens the cake and helps keep the crumb moist and tender.
The step that matters
Cooking the chocolate, sugar and egg together. Egg proteins thicken gently with heat but scramble if the mixture overheats. Cook only until nearly boiling, stirring, then let it cool before adding it to the batter.
Swap the walnut
The recipe marks walnut as optional. How well each one fits the dish's main ingredients (chocolate, sugar, egg, butter, milk, flour, vanilla):
- Almondfits better
- Hazelnutfits better
- Chestnutfits better
- Walnutthe original
Fit is the average pairing score against chocolate, sugar, egg, butter, milk, flour, vanilla. 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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