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Dessert

Buttercup Jelly

A gelatin-based dessert made with milk, sugar, eggs, lemon essence, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and lemon are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 19,053 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Buttercup Jelly

Ingredients

Directions

Prepare

  1. Soak the gelatine in 1 cup of cold water.

  2. Warm the milk.

  3. Stir the soaked gelatine into the milk.

Make the custard

  1. Beat the egg yolks with the sugar and lemon essence.

  2. Add the beaten yolks to the milk mixture and boil for 3 minutes.

  3. Whisk the egg whites to stiff peaks.

  4. Gently mix the whisked egg whites into the mixture.

Set

  1. Pour into a mold and let it set.

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. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

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

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

  3. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  4. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

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

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

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

Gelatine
Sets the liquid into a firm, wobbly structure as it cools.
Eggs
Egg yolks thicken the milk, and whisked whites add lightness and airy texture.
Milk
Provides the liquid base and creamy body of the jelly.
Sugar
Adds sweetness and softens the set, giving a more tender texture.

The step that matters

Gently mix the whisked egg whites into the mixture. Whisked whites hold air in a foam that deflates if overmixed or stirred vigorously. Folding gently keeps the lightness so the set jelly stays airy rather than dense.

Swap the lemon

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

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

Fit is the average pairing score against sugar, milk, 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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