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Dessert

Blackberry and Apple Fool

A fruit dessert made from stewed blackberries and apples, sweetened, pureed, mixed with custard, and topped with whipped cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Sugar and cream are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Blackberry and Apple Fool

Ingredients

Directions

Make the fruit base

  1. In a saucepan, combine blackberries, apples, lemon juice, lemon rind, and loaf sugar.

  2. Stew the mixture until the fruit is soft.

  3. Rub the mixture through a sieve.

Assemble and serve

  1. Add custard to the fruit puree and mix well.

  2. Fill custard cups with the mixture.

  3. Top with little heaps of whipped cream.

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. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  2. Apple + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

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

  3. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

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

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

  5. Apple + creamtop 27% of all pairs
    Smell alikelow
    Cooked together3,089 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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

Blackberries
Provide the main fruit flavour and colour, and bulk out the puree.
Apples
Add body and pectin, helping the puree thicken and hold together.
Loaf sugar
Sweetens the fruit and helps draw out juice while it stews.
Custard
Adds richness and creaminess, softening the sharpness of the fruit.
Whipped cream
Adds a light, airy topping that contrasts with the dense fruit layer.

The step that matters

Rub the mixture through a sieve. Pushing stewed fruit through a sieve removes seeds and skins and gives the smooth, even texture a fool needs. Skipping or rushing this leaves a gritty result.

Swap the lemon

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

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

Fit is the average pairing score against apple, sugar, cream. 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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