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Dessert

Chocolate Filling

A chocolate and nut filling thickened with flour or corn starch, used on cakes.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Chocolate and nuts work together. They rank in the top 10% of all ingredient pairs, and cooks put them together in 440 recipes. Both carry furaneol, which smells caramel, strawberry. The science ↓

Chocolate Filling

Ingredients

Directions

Make the filling

  1. Melt the chocolate in a saucepan.

  2. Add the sugar and milk, and bring to a boil.

  3. Thicken the mixture with flour or corn starch as desired.

  4. Remove from heat and stir in the chopped nuts.

Assemble

  1. Spread the filling on the 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.

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. Chocolate + nutstop 10% of all pairs
    Smell alikemoderate
    Cooked together440 recipes

    Shared aroma: furaneol (caramel, strawberry).

  2. Chocolate + sugartop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Flour + nutstop 13% of all pairs
    Smell alikemoderate
    Cooked together1,180 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Chocolate + milktop 13% of all pairs
    Smell alikemoderate
    Cooked together9,128 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  5. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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

Unsweetened chocolate
Provides the main chocolate flavor and richness from its cocoa fat.
Sugar
Adds sweetness and helps balance the bitterness of the chocolate.
Milk
Forms the liquid base and adds creaminess to the filling.
Flour or corn starch
Thickens the mixture as starch granules swell when heated in liquid.
Chopped nuts
Add texture and a bit of crunch to the soft filling.

The step that matters

Thicken the mixture after it boils. Starch only thickens fully once it is heated in liquid to a boil and its granules swell. Stopping too early leaves the filling thin, while overcooking can break the thickened structure.

Swap the nuts

How well each one fits the dish's main ingredients (chocolate, sugar, milk, flour):

  1. Almondfits better
  2. Hazelnutfits better
  3. Chestnutfits better
  4. Nutsthe original

Fit is the average pairing score against chocolate, sugar, milk, flour. Candidates are from the same food group and used in at least 100 recipes.

“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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