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Dessert

Fillings for Layer Cake

A chocolate filling made from sugar, cream, chocolate, butter, and a pinch of salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Fillings for Layer Cake

Ingredients

Directions

Prepare and cook

  1. Cut the chocolate into small pieces.

  2. Combine all ingredients in a saucepan and cook over medium heat.

  3. Test the mixture in cold water; when it reaches the soft ball stage, remove from heat.

Cool and finish

  1. Allow to cool, then beat until thick and creamy.

  2. Spread the filling on the cake without stirring after it begins to boil.

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. Cream + chocolatetop 11% of all pairs
    Smell alikemoderate
    Cooked together5,466 recipes

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

  4. Sugar + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Chocolate + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together10,543 recipes

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

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

What each ingredient does

Granulated sugar
Provides sweetness and, when cooked, the syrup structure that sets the filling.
Cream
Adds moisture and richness, giving the filling a smooth, soft texture.
Baker's chocolate
Adds chocolate flavour and fat, helping the filling become rich and firm as it cools.
Butter
Adds fat for a smoother, creamier texture and a rounder flavour.

The step that matters

Testing for the soft ball stage. Cooking sugar syrup too little leaves the filling runny, while cooking it too far makes it hard and grainy once cooled. Checking the cold-water test at the right moment controls the final texture.

“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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