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Dessert

German Hazelnut Torte

A German hazelnut torte made with eggs, sugar, hazelnuts, salt, optional lemon rind, baked in a springform pan.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Hazelnut and lemon match in chemistry and in kitchens. They rank in the top 12% of all ingredient pairs, and cooks put them together in 205 recipes. Both carry (e,e)-2,4-decadienal, which smells fatty, deep fried. The science ↓

German Hazelnut Torte

Ingredients

Directions

Make the batter

  1. Beat the egg yolks and sugar together for 20 minutes.

  2. Gently fold in the stiffly beaten egg whites.

  3. Place the bowl over boiling water and stir continually until the batter is warmed but not too hot.

  4. Gradually add the pinch of salt and hazelnuts.

Bake and ice

  1. Bake slowly in a well-greased springform pan.

  2. If desired, add the grated lemon rind.

  3. Ice with boiled icing.

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. Hazelnut + lemontop 12% of all pairs
    Smell alikestrong
    Cooked together205 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  2. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  3. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  4. Hazelnut + sugartop 20% of all pairs
    Smell alikemoderate
    Cooked together649 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

  5. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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

Eggs
Whipped whites trap air for lift, while the yolks add richness and help set the batter.
Hazelnuts
Ground nuts replace flour, giving body, nutty flavor and moisture from their natural oils.
Sugar
Sweetens the batter and helps the yolks beat into a thick, stable mixture.

The step that matters

Warm the batter gently over water. Warm the batter over boiling water only until it feels warm, not hot. Overheating egg yolks can scramble them, leaving a grainy texture and losing the airy foam the batter depends on.

Swap the lemon

The recipe marks lemon as optional. How well each one fits the dish's main ingredients (egg, hazelnut, sugar):

  1. Vanillafits better
  2. Figfits better
  3. Blueberryfits better
  4. Lemonthe original

Fit is the average pairing score against egg, hazelnut, sugar. 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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