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Dessert

Roll Gingerbread

A sweet roll made with treacle, oatmeal, flour, alum, ginger, caraway, butter, baked and brushed with butter, gum, and egg.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Flour and caraway match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 1,435 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Roll Gingerbread

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 350°F (175°C).

  2. Melt the alum in the treacle.

  3. In a large bowl, rub the butter into the flour.

  4. Stir the melted alum into the treacle.

Make and shape the dough

  1. Mix all ingredients together until stiff.

  2. Roll out the dough thinly and mark with a mold.

  3. Place on greased baking tins.

Bake and finish

  1. Bake in the preheated oven until done.

  2. Once baked, brush with a mixture of butter, gum, and an egg dissolved in water.

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 + carawaytop 6% of all pairs
    Smell alikestrong
    Cooked together1,435 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Ginger + carawaytop 8% of all pairs
    Smell alikemoderate
    Cooked together288 recipes

    Shared aroma: decanal (soap, orange peel).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + gingertop 15% of all pairs
    Smell alikemoderate
    Cooked together8,564 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Caraway + buttertop 25% of all pairs
    Smell alikemoderate
    Cooked together1,273 recipes

    Shared aroma: decanal (soap, orange peel).

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

Treacle
Provides sweetness, dark colour and moisture, and helps the dough stay soft and chewy.
Flour
Forms the main structure of the dough once mixed with the liquids.
Oatmeal
Adds bulk and a coarse, tender texture to the dough.
Butter
Adds fat that tenderises the crumb and carries flavour.
Ground ginger
Provides the warm, spicy aroma that defines gingerbread.
Alum
Acts as a leavening agent that helps the dough rise and become lighter.

The step that matters

Rolling the dough thinly. If the dough is rolled unevenly or too thick, parts will bake unevenly, leaving some areas underdone and others dry or hard. Even thickness gives an even bake.

Swap the ginger

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

  1. Nutmegfits better
  2. Cinnamonfits better
  3. Turmericfits better
  4. Gingerthe original

Fit is the average pairing score against flour, caraway, butter. 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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