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Dessert

Roly-poly

A rolled biscuit dough filled with berries, boiled and served with sweet cream or butter and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Roly-poly

Ingredients

Directions

Make the dough

  1. Mix and sift the flour and baking powder.

  2. Rub in the butter and lard until combined.

  3. Add cold water until the mixture reaches biscuit dough consistency.

  4. Roll out the dough to 1 inch thick.

Fill and wrap

  1. Spread berries over the dough and sprinkle with sugar.

  2. Fold or roll up the dough, sealing the ends to prevent juice escape.

  3. Prepare a large square of muslin by dipping it in boiling water and dredging it with flour.

  4. Place the pudding on the floured side of the muslin, roll it up, and secure the ends and sides, leaving room for swelling.

Boil and serve

  1. Boil the wrapped pudding in water for 1.5 hours.

  2. Serve with sweet cream or butter and sugar.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

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

    Shared aroma: guaiacol (smoky, sweet).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Flour
Forms the structure of the dough that holds the filling and wrapping.
Baking powder
Releases gas during cooking so the dough rises and lightens.
Butter and lard
Adds fat that tenderizes the dough and gives it a short, crumbly texture.
Berries
Provide moisture, sweetness and flavour inside the rolled pudding.
Sugar
Sweetens the berries and helps them release their juice as they cook.

The step that matters

Sealing the dough around the berries. If the ends and seams are not sealed well, juice escapes during boiling and the filling can become watery and thin. Leaving room in the muslin lets the dough expand as it rises.

“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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