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Dessert

Caramel Filling

A sweet filling made from butter, dark brown sugar, cream, and vanilla, boiled until thickened.

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

Why it works: Cream and butter 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

Make the caramel

  1. In a bowl, cream together the butter and dark brown sugar until well combined.

  2. Add the cream and bring the mixture to a boil, cooking until it thickens slightly or just sets in cold water.

  3. Remove from heat and beat the mixture for a few minutes.

Finish and spread

  1. Stir in the vanilla extract and spread the filling on 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. Cream + buttertop 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. Cream + sugartop 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

Dark brown sugar
Provides sweetness, moisture and the deep caramel flavor of the filling.
Butter
Adds fat for richness and a smooth, soft texture in the finished filling.
Cream
Adds moisture and body, giving the filling a creamy texture as it thickens.
Vanilla extract
Adds aroma that rounds out the sweetness of the caramel.

The step that matters

Cooking until it thickens and sets. As water evaporates, the sugar concentration rises, and the filling firms as it cools. Stopping too early leaves it runny, while cooking too long can make it hard and grainy.

“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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