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Dessert

Caramel Filling for Cake

A caramel filling made by boiling brown sugar, cream, and butter until it hardens.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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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 for Cake

Ingredients

Directions

  1. Combine brown sugar, cream, and butter in a saucepan.

  2. Boil the mixture until it hardens when dropped into a plate of water.

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.

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

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

  3. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Brown sugar
Provides sweetness and the bulk of the caramel, and its molasses adds depth of flavor.
Cream
Adds moisture and fat, keeping the caramel soft and smooth rather than grainy.
Butter
Adds fat for a smooth, rich texture and a buttery flavor.

The step that matters

Boiling until it hardens in water. Sugar syrup sets according to its temperature, which rises as water boils off. Stopping too early leaves a runny filling, while cooking too long makes it hard and brittle. The water test is a rough check of how much moisture remains.

“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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