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Dessert

Walnut Torte

A baked walnut torte made with egg yolks, sugar, walnuts, lemon, matzo flour, and folded egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Walnut and lemon match in chemistry and in kitchens. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,149 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Walnut Torte

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the batter

  1. Preheat the oven to 350°F (175°C).

  2. In a bowl, beat the egg yolks and granulated sugar until well combined.

  3. Stir in the chopped walnuts, lemon rind, lemon juice, and matzo flour or cracker meal.

  4. In a separate bowl, beat the egg whites until stiff peaks form.

  5. Gently fold the beaten egg whites into the walnut mixture.

Bake

  1. Pour the batter into a greased baking pan.

  2. Bake for about 40 minutes or until golden brown.

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. Walnut + lemontop 10% of all pairs
    Smell alikestrong
    Cooked together2,149 recipes

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

  2. Walnut + flourtop 12% of all pairs
    Smell alikemoderate
    Cooked together5,873 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Egg and flour barely smell alike, yet cooks put them together in 106,462 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

Egg whites
Whipped to stiff peaks, they trap air and give the tart its light, airy lift.
Egg yolks
Beaten with sugar, they add richness and help bind the batter.
Matzo flour or cracker meal
Provides a light, dry base that gives the batter some structure once baked.
Chopped walnuts
Add body, nutty flavor and a slightly rich texture to the batter.
Granulated sugar
Sweetens the batter and helps stabilize the beaten yolks.

The step that matters

Folding in the egg whites. Beaten whites are full of trapped air. Folding gently keeps that air in, so the tart rises and bakes light. Stirring or deflating the whites makes the tart dense.

Swap the walnut

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

  1. Almondfits better
  2. Milletfits better
  3. Pistachiofits better
  4. Walnutthe original

Fit is the average pairing score against egg, sugar, lemon, 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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