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Dessert

Apple Roly Poly

A rolled pastry filled with sliced tart apples and sugar, boiled until cooked.

From an old cookbook · modernised transcription
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Apple Roly Poly

Ingredients

Directions

Prepare the dough

  1. In a bowl, mix flour, butter, baking powder, and salt.

  2. Add milk gradually until a dough forms.

  3. Roll out the dough thinly.

Add the filling

  1. Cover the dough with slices of tart apple and sprinkle with sugar.

  2. Fold the dough over the filling.

  3. Place the rolled dough in a buttered mold.

Boil and serve

  1. Boil for 2.5 hours.

  2. Serve hot with hard sauce.

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Milk + appletop 11% of all pairs
    Smell alikemoderate
    Cooked together4,104 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + appletop 14% of all pairs
    Smell alikemoderate
    Cooked together8,706 recipes

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

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 dough's structure, which holds the filling inside the roll.
Butter
Adds fat that makes the dough tender and rich.
Baking powder
Releases gas that lifts and lightens the dough as it cooks.
Milk
Hydrates the flour so the dough binds and can be rolled.
Tart apples
Provide moisture and a sharp acidity that balances the sugar.
Sugar
Adds sweetness to the apple filling.

The step that matters

Boil for 2.5 hours. The roll must be held at a steady boil for the full time so the dough cooks through and sets. Stopping early or letting the heat drop leaves the dough doughy in the centre, while the long gentle cooking keeps it moist.

Swap the apple

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

  1. Vanillafits better
  2. Raisinfits better
  3. Figfits better
  4. Applethe original

Fit is the average pairing score against flour, butter, milk, sugar. 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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