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 ↓
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 chocolate caramel
In a double boiler, cook 1 cup brown sugar, ½ cup sweet milk, and the yolk of 1 egg until thick.
Stir in ½ cup grated chocolate and flavor with vanilla or lemon extract.
Make the batter
In a separate bowl, cream together 1 cup brown sugar, ½ cup granulated sugar, and ½ cup butter.
Add ½ cup sweet milk, 2 eggs, 1 teaspoon baking soda, and 3 tablespoons cold water to the creamed mixture.
Gradually mix in 2½ cups flour until well combined.
Bake and fill
Bake in layers at 350°F (175°C).
For the filling, cook 2 cups brown sugar and ¾ cup water with butter the size of an egg until creamy, then spread between layers.
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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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).
-
Milk + buttertop 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).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Flour
- Forms the structure that holds the cake's crumb together as it bakes.
- Eggs
- Bind the batter and add richness and structure to the crumb.
- Baking soda
- Reacts with the batter to produce gas, helping the cake rise.
- Butter
- Adds fat for tenderness and flavor in the batter and filling.
- Brown sugar
- Adds moisture and molasses flavor, and helps the caramel filling set creamy.
The step that matters
Cooking the caramel filling until creamy. Sugar syrup can crystallize or turn grainy if it is undercooked or stirred unevenly. Cooking it to the right point gives a smooth, creamy texture when it cools between the layers.
“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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