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Dessert

Nut Filling

A sweet walnut filling made with brown sugar, eggs, and cake crumbs, flavored with cinnamon and cloves.

From an old cookbook · modernised transcription
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Why it works: Cinnamon and clove match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,189 recipes. Both carry ethyl cinnamate, which smells sweet, balsamic. The science ↓

Nut Filling

Ingredients

Directions

  1. Boil brown sugar with a little water until it forms a thread when tested between your fingers.

  2. Add chopped walnuts and beaten eggs, stirring well.

  3. Remove from heat and mix in enough sweet cake crumbs to form a soft paste.

  4. Flavor with cinnamon and cloves.

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. Cinnamon + clovetop 1% of all pairs
    Smell alikestrong
    Cooked together14,189 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  2. Walnut + cinnamontop 6% of all pairs
    Smell alikestrong
    Cooked together2,147 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Walnut + clovetop 9% of all pairs
    Smell alikestrong
    Cooked together1,592 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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

Brown sugar
Cooks to a thread stage that sets the base, and adds sweetness and caramel flavor.
Chopped walnuts
Provide body and a crunchy texture throughout the filling.
Eggs
Bind the mixture and help it set as it cools.
Sweet cake crumbs
Absorb moisture and thicken the mixture into a soft paste.

The step that matters

Boiling the sugar to a thread. Sugar that is undercooked stays too wet and will not set, while overcooked sugar turns bitter and hard. Testing for a thread shows the sugar has reached the right concentration before the eggs and nuts are added.

Swap the walnut

How well each one fits the dish's main ingredients (sugar, egg, cinnamon, clove):

  1. Almondfits better
  2. Chestnutfits better
  3. Chickpeafits about as well
  4. Walnutthe original

Fit is the average pairing score against sugar, egg, cinnamon, clove. 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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