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Dessert

Fkuit Jelly

A gelatin-based dessert made with peaches and lemon juice.

From an old cookbook · modernised transcription
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Why it works: Lemon and peach work together. They rank in the top 12% of all ingredient pairs, and cooks put them together in 947 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Fkuit Jelly

Ingredients

Directions

Make the jelly

  1. Dissolve the gelatine in ½ cup cold water.

  2. Add the sugar and lemon juice to the dissolved gelatine, then mix in the boiling water.

  3. Let the mixture stand until it begins to thicken.

Layer and set

  1. Pour a little jelly into a quart mould and place a layer of cut peaches on top.

  2. Continue layering jelly and fruit alternately until the mould is filled.

  3. Place the mould on ice to set.

  4. Serve with whipped cream, ensuring each layer sets before adding the next.

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 + peachtop 12% of all pairs
    Smell alikemoderate
    Cooked together947 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Sugar + peachtop 17% of all pairs
    Smell alikelow
    Cooked together2,308 recipes

    Shared aroma: beta-damascenone (apple, rose).

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

Gelatine
Sets the liquid into a firm jelly that holds the fruit layers in place.
Sugar
Adds sweetness and helps balance the tartness of the lemon juice.
Lemon juice
Adds acidity that brightens the flavour and sharpens the sweetness.
Peaches
Provide fruit flavour, juiciness and texture within the set jelly.

The step that matters

Let the mixture stand until it begins to thicken. Gelatine must be partly set before the fruit is added. If the jelly is still too thin, the peaches sink or float to the bottom, and the layers blend instead of holding.

Swap the lemon

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

  1. Vanillafits better
  2. Apricotfits better
  3. Pearfits better
  4. Lemonthe original

Fit is the average pairing score against sugar, peach. 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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