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Dessert

Caramel Filling

A sweet, buttery caramel used as a filling between cake layers.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Caramel Filling

Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Caramel Filling

Ingredients

Directions

Cook the caramel

  1. In a double boiler, combine the brown sugar, butter, cream, and vanilla.

  2. Stir well and bring to a boil.

  3. Boil for 15 minutes.

Cool and fill

  1. Remove from heat and beat the mixture until it cools.

  2. Spread the caramel filling between layers of cake.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

  3. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  4. Butter + vanillatop 14% of all pairs
    Smell alikemoderate
    Cooked together20,050 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Cream + vanillatop 15% of all pairs
    Smell alikelow
    Cooked together12,301 recipes

    Shared aroma: 2-nonanone (fruity, floral).

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

Light brown sugar
Provides the sweetness and the deep caramel flavor of the filling.
Butter
Adds fat for richness and a smooth, melting texture.
Cream
Adds moisture and softness to the filling.
Vanilla
Adds aroma that rounds out the caramel flavor.

The step that matters

Beat the mixture as it cools. As the boiled sugar mixture cools, beating it breaks up large sugar crystals and encourages a smooth, spreadable texture. Beating too early or too long can make the filling grainy or stiff, so it should be stirred until it thickens to a spreadable consistency.

“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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