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Dessert

Lemon Jelly Cake

A cake made with lemon juice, rind, butter, sugar, and egg yolks, cooked to a blancmange consistency.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Lemon and butter are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 41,227 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Lemon Jelly Cake

Ingredients

Directions

  1. Beat the egg yolks and sugar together until very light.

  2. Melt the butter and pour it over the egg and sugar mixture.

  3. Pour boiling water over the lemons, then grate the rind and press out the juice.

  4. Add the grated rind and juice to the mixture.

  5. Boil slowly while stirring constantly until it reaches the consistency of blancmange.

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. Lemon + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Butter + sugartop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  4. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  5. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

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

Lemon and sugar 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

Egg yolks
Thicken the filling as they cook and add richness and colour.
Butter
Adds fat for a smooth, rich texture in the filling.
White sugar
Sweetens the filling and helps balance the lemon's sharpness.
Lemons
Supply the juice and rind that give the filling its bright, acidic flavour.

The step that matters

Boil slowly while stirring constantly. Egg yolks can curdle or scramble if overheated or left unstirred. Gentle, constant stirring lets the yolks thicken the mixture evenly into a smooth, blancmange-like consistency.

Swap the lemon

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

  1. Vanillafits better
  2. Lemonthe original
  3. Raisinfits about as well
  4. Figfits about as well

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